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Finding the Fourth Proportional to 132,000.90, 198,001.35 and 118,868.10

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Solution

The fourth proportional to 132,000.90, 198,001.35 and 118,868.10 is: 178,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,000.90 : 198,001.35 = 118,868.10 : x
  2. Step 2: Convert to fraction form
    132,000.90/198,001.35 = 118,868.10/x
  3. Step 3: Cross multiply
    132,000.90x = 198,001.35 × 118,868.10
  4. Step 4: Simplify right side
    132,000.90x = 23,536,044,271.94
  5. Step 5: Solve for x
    x = 23,536,044,271.94/132,000.90
  6. Step 6: Final answer
    x = 178,302.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.