Home / 100,613.67-138,841.23-60,307.26

Finding the Fourth Proportional to 100,613.67, 138,841.23 and 60,307.26

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Solution

The fourth proportional to 100,613.67, 138,841.23 and 60,307.26 is: 83,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613.67 : 138,841.23 = 60,307.26 : x
  2. Step 2: Convert to fraction form
    100,613.67/138,841.23 = 60,307.26/x
  3. Step 3: Cross multiply
    100,613.67x = 138,841.23 × 60,307.26
  4. Step 4: Simplify right side
    100,613.67x = 8,373,133,409.52
  5. Step 5: Solve for x
    x = 8,373,133,409.52/100,613.67
  6. Step 6: Final answer
    x = 83,220.64

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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.