Home / 84,152.16-126,319.23-74,851.74

Finding the Fourth Proportional to 84,152.16, 126,319.23 and 74,851.74

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Solution

The fourth proportional to 84,152.16, 126,319.23 and 74,851.74 is: 112,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,152.16 : 126,319.23 = 74,851.74 : x
  2. Step 2: Convert to fraction form
    84,152.16/126,319.23 = 74,851.74/x
  3. Step 3: Cross multiply
    84,152.16x = 126,319.23 × 74,851.74
  4. Step 4: Simplify right side
    84,152.16x = 9,455,214,160.96
  5. Step 5: Solve for x
    x = 9,455,214,160.96/84,152.16
  6. Step 6: Final answer
    x = 112,358.54

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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.