Home / 119,990.25-180,018.14-52,510.02

Finding the Fourth Proportional to 119,990.25, 180,018.14 and 52,510.02

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Solution

The fourth proportional to 119,990.25, 180,018.14 and 52,510.02 is: 78,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,990.25 : 180,018.14 = 52,510.02 : x
  2. Step 2: Convert to fraction form
    119,990.25/180,018.14 = 52,510.02/x
  3. Step 3: Cross multiply
    119,990.25x = 180,018.14 × 52,510.02
  4. Step 4: Simplify right side
    119,990.25x = 9,452,755,869.21
  5. Step 5: Solve for x
    x = 9,452,755,869.21/119,990.25
  6. Step 6: Final answer
    x = 78,779.37

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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.