Home / 155,352.30-231,167.78-154,827.42

Finding the Fourth Proportional to 155,352.30, 231,167.78 and 154,827.42

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Solution

The fourth proportional to 155,352.30, 231,167.78 and 154,827.42 is: 230,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,352.30 : 231,167.78 = 154,827.42 : x
  2. Step 2: Convert to fraction form
    155,352.30/231,167.78 = 154,827.42/x
  3. Step 3: Cross multiply
    155,352.30x = 231,167.78 × 154,827.42
  4. Step 4: Simplify right side
    155,352.30x = 35,791,110,190.39
  5. Step 5: Solve for x
    x = 35,791,110,190.39/155,352.30
  6. Step 6: Final answer
    x = 230,386.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.