Home / 175,434.80-242,127.30-115,180.20

Finding the Fourth Proportional to 175,434.80, 242,127.30 and 115,180.20

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Solution

The fourth proportional to 175,434.80, 242,127.30 and 115,180.20 is: 158,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,434.80 : 242,127.30 = 115,180.20 : x
  2. Step 2: Convert to fraction form
    175,434.80/242,127.30 = 115,180.20/x
  3. Step 3: Cross multiply
    175,434.80x = 242,127.30 × 115,180.20
  4. Step 4: Simplify right side
    175,434.80x = 27,888,270,839.46
  5. Step 5: Solve for x
    x = 27,888,270,839.46/175,434.80
  6. Step 6: Final answer
    x = 158,966.59

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1.5x scale

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.