Home / 89,565.26-134,143.64-42,851.18

Finding the Fourth Proportional to 89,565.26, 134,143.64 and 42,851.18

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Solution

The fourth proportional to 89,565.26, 134,143.64 and 42,851.18 is: 64,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.26 : 134,143.64 = 42,851.18 : x
  2. Step 2: Convert to fraction form
    89,565.26/134,143.64 = 42,851.18/x
  3. Step 3: Cross multiply
    89,565.26x = 134,143.64 × 42,851.18
  4. Step 4: Simplify right side
    89,565.26x = 5,748,213,263.50
  5. Step 5: Solve for x
    x = 5,748,213,263.50/89,565.26
  6. Step 6: Final answer
    x = 64,179.05

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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.