Home / 242,610.49-334,798.01-135,178.21

Finding the Fourth Proportional to 242,610.49, 334,798.01 and 135,178.21

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Solution

The fourth proportional to 242,610.49, 334,798.01 and 135,178.21 is: 186,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,610.49 : 334,798.01 = 135,178.21 : x
  2. Step 2: Convert to fraction form
    242,610.49/334,798.01 = 135,178.21/x
  3. Step 3: Cross multiply
    242,610.49x = 334,798.01 × 135,178.21
  4. Step 4: Simplify right side
    242,610.49x = 45,257,393,353.48
  5. Step 5: Solve for x
    x = 45,257,393,353.48/242,610.49
  6. Step 6: Final answer
    x = 186,543.44

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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.