Home / 108,440.18-162,423.36-45,068.16

Finding the Fourth Proportional to 108,440.18, 162,423.36 and 45,068.16

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Solution

The fourth proportional to 108,440.18, 162,423.36 and 45,068.16 is: 67,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,440.18 : 162,423.36 = 45,068.16 : x
  2. Step 2: Convert to fraction form
    108,440.18/162,423.36 = 45,068.16/x
  3. Step 3: Cross multiply
    108,440.18x = 162,423.36 × 45,068.16
  4. Step 4: Simplify right side
    108,440.18x = 7,320,121,976.22
  5. Step 5: Solve for x
    x = 7,320,121,976.22/108,440.18
  6. Step 6: Final answer
    x = 67,503.78

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1.5x scale

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.