Home / 145,614.72-200,926.64-81,948.72

Finding the Fourth Proportional to 145,614.72, 200,926.64 and 81,948.72

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Solution

The fourth proportional to 145,614.72, 200,926.64 and 81,948.72 is: 113,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,614.72 : 200,926.64 = 81,948.72 : x
  2. Step 2: Convert to fraction form
    145,614.72/200,926.64 = 81,948.72/x
  3. Step 3: Cross multiply
    145,614.72x = 200,926.64 × 81,948.72
  4. Step 4: Simplify right side
    145,614.72x = 16,465,680,961.90
  5. Step 5: Solve for x
    x = 16,465,680,961.90/145,614.72
  6. Step 6: Final answer
    x = 113,077.04

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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.