Home / 130,951.27-180,705.90-74,359

Finding the Fourth Proportional to 130,951.27, 180,705.90 and 74,359

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Solution

The fourth proportional to 130,951.27, 180,705.90 and 74,359 is: 102,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,951.27 : 180,705.90 = 74,359 : x
  2. Step 2: Convert to fraction form
    130,951.27/180,705.90 = 74,359/x
  3. Step 3: Cross multiply
    130,951.27x = 180,705.90 × 74,359
  4. Step 4: Simplify right side
    130,951.27x = 13,437,110,018.10
  5. Step 5: Solve for x
    x = 13,437,110,018.10/130,951.27
  6. Step 6: Final answer
    x = 102,611.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.