Home / 242,316.36-334,357.20-134,883.90

Finding the Fourth Proportional to 242,316.36, 334,357.20 and 134,883.90

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Solution

The fourth proportional to 242,316.36, 334,357.20 and 134,883.90 is: 186,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,316.36 : 334,357.20 = 134,883.90 : x
  2. Step 2: Convert to fraction form
    242,316.36/334,357.20 = 134,883.90/x
  3. Step 3: Cross multiply
    242,316.36x = 334,357.20 × 134,883.90
  4. Step 4: Simplify right side
    242,316.36x = 45,099,403,129.08
  5. Step 5: Solve for x
    x = 45,099,403,129.08/242,316.36
  6. Step 6: Final answer
    x = 186,117.86

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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.