Home / 487,159.77-730,740-132,173.76

Finding the Fourth Proportional to 487,159.77, 730,740 and 132,173.76

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Solution

The fourth proportional to 487,159.77, 730,740 and 132,173.76 is: 198,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,159.77 : 730,740 = 132,173.76 : x
  2. Step 2: Convert to fraction form
    487,159.77/730,740 = 132,173.76/x
  3. Step 3: Cross multiply
    487,159.77x = 730,740 × 132,173.76
  4. Step 4: Simplify right side
    487,159.77x = 96,584,653,382.40
  5. Step 5: Solve for x
    x = 96,584,653,382.40/487,159.77
  6. Step 6: Final answer
    x = 198,260.73

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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.