Home / 124,877.32-172,330.62-68,288.69

Finding the Fourth Proportional to 124,877.32, 172,330.62 and 68,288.69

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Solution

The fourth proportional to 124,877.32, 172,330.62 and 68,288.69 is: 94,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,877.32 : 172,330.62 = 68,288.69 : x
  2. Step 2: Convert to fraction form
    124,877.32/172,330.62 = 68,288.69/x
  3. Step 3: Cross multiply
    124,877.32x = 172,330.62 × 68,288.69
  4. Step 4: Simplify right side
    124,877.32x = 11,768,232,286.69
  5. Step 5: Solve for x
    x = 11,768,232,286.69/124,877.32
  6. Step 6: Final answer
    x = 94,238.35

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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.