Home / 98,276.91-147,328.10-38,291.48

Finding the Fourth Proportional to 98,276.91, 147,328.10 and 38,291.48

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Solution

The fourth proportional to 98,276.91, 147,328.10 and 38,291.48 is: 57,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,276.91 : 147,328.10 = 38,291.48 : x
  2. Step 2: Convert to fraction form
    98,276.91/147,328.10 = 38,291.48/x
  3. Step 3: Cross multiply
    98,276.91x = 147,328.10 × 38,291.48
  4. Step 4: Simplify right side
    98,276.91x = 5,641,411,591.28
  5. Step 5: Solve for x
    x = 5,641,411,591.28/98,276.91
  6. Step 6: Final answer
    x = 57,403.22

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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.