Home / 105,148.16-157,717.76-42,819.84

Finding the Fourth Proportional to 105,148.16, 157,717.76 and 42,819.84

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Solution

The fourth proportional to 105,148.16, 157,717.76 and 42,819.84 is: 64,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,148.16 : 157,717.76 = 42,819.84 : x
  2. Step 2: Convert to fraction form
    105,148.16/157,717.76 = 42,819.84/x
  3. Step 3: Cross multiply
    105,148.16x = 157,717.76 × 42,819.84
  4. Step 4: Simplify right side
    105,148.16x = 6,753,449,248.36
  5. Step 5: Solve for x
    x = 6,753,449,248.36/105,148.16
  6. Step 6: Final answer
    x = 64,227.94

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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.