Home / 177,981.12-245,507.22-117,551.88

Finding the Fourth Proportional to 177,981.12, 245,507.22 and 117,551.88

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Solution

The fourth proportional to 177,981.12, 245,507.22 and 117,551.88 is: 162,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,981.12 : 245,507.22 = 117,551.88 : x
  2. Step 2: Convert to fraction form
    177,981.12/245,507.22 = 117,551.88/x
  3. Step 3: Cross multiply
    177,981.12x = 245,507.22 × 117,551.88
  4. Step 4: Simplify right side
    177,981.12x = 28,859,835,264.57
  5. Step 5: Solve for x
    x = 28,859,835,264.57/177,981.12
  6. Step 6: Final answer
    x = 162,151.10

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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.