Home / 89,657.28-134,370.69-45,184.50

Finding the Fourth Proportional to 89,657.28, 134,370.69 and 45,184.50

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Solution

The fourth proportional to 89,657.28, 134,370.69 and 45,184.50 is: 67,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.28 : 134,370.69 = 45,184.50 : x
  2. Step 2: Convert to fraction form
    89,657.28/134,370.69 = 45,184.50/x
  3. Step 3: Cross multiply
    89,657.28x = 134,370.69 × 45,184.50
  4. Step 4: Simplify right side
    89,657.28x = 6,071,472,442.31
  5. Step 5: Solve for x
    x = 6,071,472,442.31/89,657.28
  6. Step 6: Final answer
    x = 67,718.68

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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.