Home / 96,740.70-145,111.05-89,742.30

Finding the Fourth Proportional to 96,740.70, 145,111.05 and 89,742.30

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Solution

The fourth proportional to 96,740.70, 145,111.05 and 89,742.30 is: 134,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,740.70 : 145,111.05 = 89,742.30 : x
  2. Step 2: Convert to fraction form
    96,740.70/145,111.05 = 89,742.30/x
  3. Step 3: Cross multiply
    96,740.70x = 145,111.05 × 89,742.30
  4. Step 4: Simplify right side
    96,740.70x = 13,022,599,382.42
  5. Step 5: Solve for x
    x = 13,022,599,382.42/96,740.70
  6. Step 6: Final answer
    x = 134,613.45

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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.