Home / 154,425.20-231,637.80-148,520.30

Finding the Fourth Proportional to 154,425.20, 231,637.80 and 148,520.30

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Solution

The fourth proportional to 154,425.20, 231,637.80 and 148,520.30 is: 222,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425.20 : 231,637.80 = 148,520.30 : x
  2. Step 2: Convert to fraction form
    154,425.20/231,637.80 = 148,520.30/x
  3. Step 3: Cross multiply
    154,425.20x = 231,637.80 × 148,520.30
  4. Step 4: Simplify right side
    154,425.20x = 34,402,915,547.34
  5. Step 5: Solve for x
    x = 34,402,915,547.34/154,425.20
  6. Step 6: Final answer
    x = 222,780.45

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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.