Home / 242,451.49-334,559.10-135,031.52

Finding the Fourth Proportional to 242,451.49, 334,559.10 and 135,031.52

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Solution

The fourth proportional to 242,451.49, 334,559.10 and 135,031.52 is: 186,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,451.49 : 334,559.10 = 135,031.52 : x
  2. Step 2: Convert to fraction form
    242,451.49/334,559.10 = 135,031.52/x
  3. Step 3: Cross multiply
    242,451.49x = 334,559.10 × 135,031.52
  4. Step 4: Simplify right side
    242,451.49x = 45,176,022,130.04
  5. Step 5: Solve for x
    x = 45,176,022,130.04/242,451.49
  6. Step 6: Final answer
    x = 186,330.15

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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.