Home / 96,773.32-145,160-30,219.16

Finding the Fourth Proportional to 96,773.32, 145,160 and 30,219.16

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Solution

The fourth proportional to 96,773.32, 145,160 and 30,219.16 is: 45,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,773.32 : 145,160 = 30,219.16 : x
  2. Step 2: Convert to fraction form
    96,773.32/145,160 = 30,219.16/x
  3. Step 3: Cross multiply
    96,773.32x = 145,160 × 30,219.16
  4. Step 4: Simplify right side
    96,773.32x = 4,386,613,265.60
  5. Step 5: Solve for x
    x = 4,386,613,265.60/96,773.32
  6. Step 6: Final answer
    x = 45,328.75

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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.