Home / 84,170.16-126,328.80-34,277.52

Finding the Fourth Proportional to 84,170.16, 126,328.80 and 34,277.52

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Solution

The fourth proportional to 84,170.16, 126,328.80 and 34,277.52 is: 51,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.16 : 126,328.80 = 34,277.52 : x
  2. Step 2: Convert to fraction form
    84,170.16/126,328.80 = 34,277.52/x
  3. Step 3: Cross multiply
    84,170.16x = 126,328.80 × 34,277.52
  4. Step 4: Simplify right side
    84,170.16x = 4,330,237,968.58
  5. Step 5: Solve for x
    x = 4,330,237,968.58/84,170.16
  6. Step 6: Final answer
    x = 51,446.24

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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.