Home / 86,302.08-119,082.96-54,488.16

Finding the Fourth Proportional to 86,302.08, 119,082.96 and 54,488.16

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Solution

The fourth proportional to 86,302.08, 119,082.96 and 54,488.16 is: 75,184.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,302.08 : 119,082.96 = 54,488.16 : x
  2. Step 2: Convert to fraction form
    86,302.08/119,082.96 = 54,488.16/x
  3. Step 3: Cross multiply
    86,302.08x = 119,082.96 × 54,488.16
  4. Step 4: Simplify right side
    86,302.08x = 6,488,611,377.75
  5. Step 5: Solve for x
    x = 6,488,611,377.75/86,302.08
  6. Step 6: Final answer
    x = 75,184.88

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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.