Home / 124,585.20-187,050.60-77,929.20

Finding the Fourth Proportional to 124,585.20, 187,050.60 and 77,929.20

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Solution

The fourth proportional to 124,585.20, 187,050.60 and 77,929.20 is: 117,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585.20 : 187,050.60 = 77,929.20 : x
  2. Step 2: Convert to fraction form
    124,585.20/187,050.60 = 77,929.20/x
  3. Step 3: Cross multiply
    124,585.20x = 187,050.60 × 77,929.20
  4. Step 4: Simplify right side
    124,585.20x = 14,576,703,617.52
  5. Step 5: Solve for x
    x = 14,576,703,617.52/124,585.20
  6. Step 6: Final answer
    x = 117,001.89

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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.