Home / 99,960.81-149,867.15-60,508.59

Finding the Fourth Proportional to 99,960.81, 149,867.15 and 60,508.59

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Solution

The fourth proportional to 99,960.81, 149,867.15 and 60,508.59 is: 90,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.81 : 149,867.15 = 60,508.59 : x
  2. Step 2: Convert to fraction form
    99,960.81/149,867.15 = 60,508.59/x
  3. Step 3: Cross multiply
    99,960.81x = 149,867.15 × 60,508.59
  4. Step 4: Simplify right side
    99,960.81x = 9,068,249,631.28
  5. Step 5: Solve for x
    x = 9,068,249,631.28/99,960.81
  6. Step 6: Final answer
    x = 90,718.05

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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.