Home / 242,618.52-334,823.85-135,188.64

Finding the Fourth Proportional to 242,618.52, 334,823.85 and 135,188.64

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Solution

The fourth proportional to 242,618.52, 334,823.85 and 135,188.64 is: 186,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,618.52 : 334,823.85 = 135,188.64 : x
  2. Step 2: Convert to fraction form
    242,618.52/334,823.85 = 135,188.64/x
  3. Step 3: Cross multiply
    242,618.52x = 334,823.85 × 135,188.64
  4. Step 4: Simplify right side
    242,618.52x = 45,264,380,921.06
  5. Step 5: Solve for x
    x = 45,264,380,921.06/242,618.52
  6. Step 6: Final answer
    x = 186,566.06

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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.