Home / 248,107.19-342,242.15-156,080.12

Finding the Fourth Proportional to 248,107.19, 342,242.15 and 156,080.12

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Solution

The fourth proportional to 248,107.19, 342,242.15 and 156,080.12 is: 215,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,107.19 : 342,242.15 = 156,080.12 : x
  2. Step 2: Convert to fraction form
    248,107.19/342,242.15 = 156,080.12/x
  3. Step 3: Cross multiply
    248,107.19x = 342,242.15 × 156,080.12
  4. Step 4: Simplify right side
    248,107.19x = 53,417,193,349.45
  5. Step 5: Solve for x
    x = 53,417,193,349.45/248,107.19
  6. Step 6: Final answer
    x = 215,298.86

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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.