Home / 124,875.32-172,327.86-68,286.69

Finding the Fourth Proportional to 124,875.32, 172,327.86 and 68,286.69

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Solution

The fourth proportional to 124,875.32, 172,327.86 and 68,286.69 is: 94,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.32 : 172,327.86 = 68,286.69 : x
  2. Step 2: Convert to fraction form
    124,875.32/172,327.86 = 68,286.69/x
  3. Step 3: Cross multiply
    124,875.32x = 172,327.86 × 68,286.69
  4. Step 4: Simplify right side
    124,875.32x = 11,767,699,154.18
  5. Step 5: Solve for x
    x = 11,767,699,154.18/124,875.32
  6. Step 6: Final answer
    x = 94,235.59

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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.