Home / 98,679.40-147,081.04-93,074.61

Finding the Fourth Proportional to 98,679.40, 147,081.04 and 93,074.61

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Solution

The fourth proportional to 98,679.40, 147,081.04 and 93,074.61 is: 138,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,679.40 : 147,081.04 = 93,074.61 : x
  2. Step 2: Convert to fraction form
    98,679.40/147,081.04 = 93,074.61/x
  3. Step 3: Cross multiply
    98,679.40x = 147,081.04 × 93,074.61
  4. Step 4: Simplify right side
    98,679.40x = 13,689,510,436.39
  5. Step 5: Solve for x
    x = 13,689,510,436.39/98,679.40
  6. Step 6: Final answer
    x = 138,727.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.