Home / 159,325.60-238,988.40-122,000.80

Finding the Fourth Proportional to 159,325.60, 238,988.40 and 122,000.80

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Solution

The fourth proportional to 159,325.60, 238,988.40 and 122,000.80 is: 183,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.60 : 238,988.40 = 122,000.80 : x
  2. Step 2: Convert to fraction form
    159,325.60/238,988.40 = 122,000.80/x
  3. Step 3: Cross multiply
    159,325.60x = 238,988.40 × 122,000.80
  4. Step 4: Simplify right side
    159,325.60x = 29,156,775,990.72
  5. Step 5: Solve for x
    x = 29,156,775,990.72/159,325.60
  6. Step 6: Final answer
    x = 183,001.20

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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.