Home / 131,148.84-196,920.08-75,052.28

Finding the Fourth Proportional to 131,148.84, 196,920.08 and 75,052.28

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Solution

The fourth proportional to 131,148.84, 196,920.08 and 75,052.28 is: 112,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148.84 : 196,920.08 = 75,052.28 : x
  2. Step 2: Convert to fraction form
    131,148.84/196,920.08 = 75,052.28/x
  3. Step 3: Cross multiply
    131,148.84x = 196,920.08 × 75,052.28
  4. Step 4: Simplify right side
    131,148.84x = 14,779,300,981.78
  5. Step 5: Solve for x
    x = 14,779,300,981.78/131,148.84
  6. Step 6: Final answer
    x = 112,691.05

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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.