Home / 103,189.68-142,427.16-62,925.66

Finding the Fourth Proportional to 103,189.68, 142,427.16 and 62,925.66

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Solution

The fourth proportional to 103,189.68, 142,427.16 and 62,925.66 is: 86,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189.68 : 142,427.16 = 62,925.66 : x
  2. Step 2: Convert to fraction form
    103,189.68/142,427.16 = 62,925.66/x
  3. Step 3: Cross multiply
    103,189.68x = 142,427.16 × 62,925.66
  4. Step 4: Simplify right side
    103,189.68x = 8,962,323,044.93
  5. Step 5: Solve for x
    x = 8,962,323,044.93/103,189.68
  6. Step 6: Final answer
    x = 86,852.90

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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.