Home / 132,381.30-182,690.64-77,923.62

Finding the Fourth Proportional to 132,381.30, 182,690.64 and 77,923.62

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Solution

The fourth proportional to 132,381.30, 182,690.64 and 77,923.62 is: 107,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,381.30 : 182,690.64 = 77,923.62 : x
  2. Step 2: Convert to fraction form
    132,381.30/182,690.64 = 77,923.62/x
  3. Step 3: Cross multiply
    132,381.30x = 182,690.64 × 77,923.62
  4. Step 4: Simplify right side
    132,381.30x = 14,235,916,008.92
  5. Step 5: Solve for x
    x = 14,235,916,008.92/132,381.30
  6. Step 6: Final answer
    x = 107,537.21

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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.