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Finding the Fourth Proportional to 162,000.40, 243,000.60 and 114,307.60

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Solution

The fourth proportional to 162,000.40, 243,000.60 and 114,307.60 is: 171,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.40 : 243,000.60 = 114,307.60 : x
  2. Step 2: Convert to fraction form
    162,000.40/243,000.60 = 114,307.60/x
  3. Step 3: Cross multiply
    162,000.40x = 243,000.60 × 114,307.60
  4. Step 4: Simplify right side
    162,000.40x = 27,776,815,384.56
  5. Step 5: Solve for x
    x = 27,776,815,384.56/162,000.40
  6. Step 6: Final answer
    x = 171,461.40

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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.