Home / 98,272.90-147,434.19-39,108.34

Finding the Fourth Proportional to 98,272.90, 147,434.19 and 39,108.34

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Solution

The fourth proportional to 98,272.90, 147,434.19 and 39,108.34 is: 58,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.90 : 147,434.19 = 39,108.34 : x
  2. Step 2: Convert to fraction form
    98,272.90/147,434.19 = 39,108.34/x
  3. Step 3: Cross multiply
    98,272.90x = 147,434.19 × 39,108.34
  4. Step 4: Simplify right side
    98,272.90x = 5,765,906,430.14
  5. Step 5: Solve for x
    x = 5,765,906,430.14/98,272.90
  6. Step 6: Final answer
    x = 58,672.40

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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.