Home / 101,853.24-140,613.15-69,636.30

Finding the Fourth Proportional to 101,853.24, 140,613.15 and 69,636.30

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Solution

The fourth proportional to 101,853.24, 140,613.15 and 69,636.30 is: 96,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,853.24 : 140,613.15 = 69,636.30 : x
  2. Step 2: Convert to fraction form
    101,853.24/140,613.15 = 69,636.30/x
  3. Step 3: Cross multiply
    101,853.24x = 140,613.15 × 69,636.30
  4. Step 4: Simplify right side
    101,853.24x = 9,791,779,497.35
  5. Step 5: Solve for x
    x = 9,791,779,497.35/101,853.24
  6. Step 6: Final answer
    x = 96,136.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.