Home / 242,549.77-334,720.89-135,119.47

Finding the Fourth Proportional to 242,549.77, 334,720.89 and 135,119.47

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Solution

The fourth proportional to 242,549.77, 334,720.89 and 135,119.47 is: 186,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,549.77 : 334,720.89 = 135,119.47 : x
  2. Step 2: Convert to fraction form
    242,549.77/334,720.89 = 135,119.47/x
  3. Step 3: Cross multiply
    242,549.77x = 334,720.89 × 135,119.47
  4. Step 4: Simplify right side
    242,549.77x = 45,227,309,254.73
  5. Step 5: Solve for x
    x = 45,227,309,254.73/242,549.77
  6. Step 6: Final answer
    x = 186,466.10

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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.