Home / 242,839.56-364,035.76-163,981.20

Finding the Fourth Proportional to 242,839.56, 364,035.76 and 163,981.20

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Solution

The fourth proportional to 242,839.56, 364,035.76 and 163,981.20 is: 245,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,839.56 : 364,035.76 = 163,981.20 : x
  2. Step 2: Convert to fraction form
    242,839.56/364,035.76 = 163,981.20/x
  3. Step 3: Cross multiply
    242,839.56x = 364,035.76 × 163,981.20
  4. Step 4: Simplify right side
    242,839.56x = 59,695,020,767.71
  5. Step 5: Solve for x
    x = 59,695,020,767.71/242,839.56
  6. Step 6: Final answer
    x = 245,820.82

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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.