Home / 154,199.90-212,678.45-132,726.19

Finding the Fourth Proportional to 154,199.90, 212,678.45 and 132,726.19

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Solution

The fourth proportional to 154,199.90, 212,678.45 and 132,726.19 is: 183,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,199.90 : 212,678.45 = 132,726.19 : x
  2. Step 2: Convert to fraction form
    154,199.90/212,678.45 = 132,726.19/x
  3. Step 3: Cross multiply
    154,199.90x = 212,678.45 × 132,726.19
  4. Step 4: Simplify right side
    154,199.90x = 28,228,000,363.61
  5. Step 5: Solve for x
    x = 28,228,000,363.61/154,199.90
  6. Step 6: Final answer
    x = 183,061.08

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1.5x scale

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.