Home / 134,814.60-202,221.90-87,575.40

Finding the Fourth Proportional to 134,814.60, 202,221.90 and 87,575.40

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Solution

The fourth proportional to 134,814.60, 202,221.90 and 87,575.40 is: 131,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814.60 : 202,221.90 = 87,575.40 : x
  2. Step 2: Convert to fraction form
    134,814.60/202,221.90 = 87,575.40/x
  3. Step 3: Cross multiply
    134,814.60x = 202,221.90 × 87,575.40
  4. Step 4: Simplify right side
    134,814.60x = 17,709,663,781.26
  5. Step 5: Solve for x
    x = 17,709,663,781.26/134,814.60
  6. Step 6: Final answer
    x = 131,363.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.