Home / 151,366.38-208,885.67-87,741.08

Finding the Fourth Proportional to 151,366.38, 208,885.67 and 87,741.08

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Solution

The fourth proportional to 151,366.38, 208,885.67 and 87,741.08 is: 121,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,366.38 : 208,885.67 = 87,741.08 : x
  2. Step 2: Convert to fraction form
    151,366.38/208,885.67 = 87,741.08/x
  3. Step 3: Cross multiply
    151,366.38x = 208,885.67 × 87,741.08
  4. Step 4: Simplify right side
    151,366.38x = 18,327,854,282.32
  5. Step 5: Solve for x
    x = 18,327,854,282.32/151,366.38
  6. Step 6: Final answer
    x = 121,082.73

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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.