Home / 113,275.10-169,911.91-38,447.94

Finding the Fourth Proportional to 113,275.10, 169,911.91 and 38,447.94

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Solution

The fourth proportional to 113,275.10, 169,911.91 and 38,447.94 is: 57,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,275.10 : 169,911.91 = 38,447.94 : x
  2. Step 2: Convert to fraction form
    113,275.10/169,911.91 = 38,447.94/x
  3. Step 3: Cross multiply
    113,275.10x = 169,911.91 × 38,447.94
  4. Step 4: Simplify right side
    113,275.10x = 6,532,762,920.97
  5. Step 5: Solve for x
    x = 6,532,762,920.97/113,275.10
  6. Step 6: Final answer
    x = 57,671.66

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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.