Home / 113,352.63-156,423.39-61,668.10

Finding the Fourth Proportional to 113,352.63, 156,423.39 and 61,668.10

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Solution

The fourth proportional to 113,352.63, 156,423.39 and 61,668.10 is: 85,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,352.63 : 156,423.39 = 61,668.10 : x
  2. Step 2: Convert to fraction form
    113,352.63/156,423.39 = 61,668.10/x
  3. Step 3: Cross multiply
    113,352.63x = 156,423.39 × 61,668.10
  4. Step 4: Simplify right side
    113,352.63x = 9,646,332,948.52
  5. Step 5: Solve for x
    x = 9,646,332,948.52/113,352.63
  6. Step 6: Final answer
    x = 85,100.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.