Home / 98,719.40-148,079.10-89,733.80

Finding the Fourth Proportional to 98,719.40, 148,079.10 and 89,733.80

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Solution

The fourth proportional to 98,719.40, 148,079.10 and 89,733.80 is: 134,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,719.40 : 148,079.10 = 89,733.80 : x
  2. Step 2: Convert to fraction form
    98,719.40/148,079.10 = 89,733.80/x
  3. Step 3: Cross multiply
    98,719.40x = 148,079.10 × 89,733.80
  4. Step 4: Simplify right side
    98,719.40x = 13,287,700,343.58
  5. Step 5: Solve for x
    x = 13,287,700,343.58/98,719.40
  6. Step 6: Final answer
    x = 134,600.70

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1.5x scale

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.