Home / 153,377.10-230,401.08-109,287.18

Finding the Fourth Proportional to 153,377.10, 230,401.08 and 109,287.18

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Solution

The fourth proportional to 153,377.10, 230,401.08 and 109,287.18 is: 164,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,377.10 : 230,401.08 = 109,287.18 : x
  2. Step 2: Convert to fraction form
    153,377.10/230,401.08 = 109,287.18/x
  3. Step 3: Cross multiply
    153,377.10x = 230,401.08 × 109,287.18
  4. Step 4: Simplify right side
    153,377.10x = 25,179,884,302.15
  5. Step 5: Solve for x
    x = 25,179,884,302.15/153,377.10
  6. Step 6: Final answer
    x = 164,169.78

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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.