Home / 98,778.26-148,038.17-39,655.41

Finding the Fourth Proportional to 98,778.26, 148,038.17 and 39,655.41

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Solution

The fourth proportional to 98,778.26, 148,038.17 and 39,655.41 is: 59,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778.26 : 148,038.17 = 39,655.41 : x
  2. Step 2: Convert to fraction form
    98,778.26/148,038.17 = 39,655.41/x
  3. Step 3: Cross multiply
    98,778.26x = 148,038.17 × 39,655.41
  4. Step 4: Simplify right side
    98,778.26x = 5,870,514,128.72
  5. Step 5: Solve for x
    x = 5,870,514,128.72/98,778.26
  6. Step 6: Final answer
    x = 59,431.24

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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.