Home / 154,849.94-231,881.28-141,859.16

Finding the Fourth Proportional to 154,849.94, 231,881.28 and 141,859.16

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Solution

The fourth proportional to 154,849.94, 231,881.28 and 141,859.16 is: 212,428.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,849.94 : 231,881.28 = 141,859.16 : x
  2. Step 2: Convert to fraction form
    154,849.94/231,881.28 = 141,859.16/x
  3. Step 3: Cross multiply
    154,849.94x = 231,881.28 × 141,859.16
  4. Step 4: Simplify right side
    154,849.94x = 32,894,483,600.52
  5. Step 5: Solve for x
    x = 32,894,483,600.52/154,849.94
  6. Step 6: Final answer
    x = 212,428.13

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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.