Home / 84,230.16-126,389.52-34,347.12

Finding the Fourth Proportional to 84,230.16, 126,389.52 and 34,347.12

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Solution

The fourth proportional to 84,230.16, 126,389.52 and 34,347.12 is: 51,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230.16 : 126,389.52 = 34,347.12 : x
  2. Step 2: Convert to fraction form
    84,230.16/126,389.52 = 34,347.12/x
  3. Step 3: Cross multiply
    84,230.16x = 126,389.52 × 34,347.12
  4. Step 4: Simplify right side
    84,230.16x = 4,341,116,010.18
  5. Step 5: Solve for x
    x = 4,341,116,010.18/84,230.16
  6. Step 6: Final answer
    x = 51,538.74

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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.