Home / 115,496.28-159,387.48-67,784.04

Finding the Fourth Proportional to 115,496.28, 159,387.48 and 67,784.04

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Solution

The fourth proportional to 115,496.28, 159,387.48 and 67,784.04 is: 93,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,496.28 : 159,387.48 = 67,784.04 : x
  2. Step 2: Convert to fraction form
    115,496.28/159,387.48 = 67,784.04/x
  3. Step 3: Cross multiply
    115,496.28x = 159,387.48 × 67,784.04
  4. Step 4: Simplify right side
    115,496.28x = 10,803,927,319.82
  5. Step 5: Solve for x
    x = 10,803,927,319.82/115,496.28
  6. Step 6: Final answer
    x = 93,543.51

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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.