Home / 144,042.60-215,675.10-112,938.60

Finding the Fourth Proportional to 144,042.60, 215,675.10 and 112,938.60

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Solution

The fourth proportional to 144,042.60, 215,675.10 and 112,938.60 is: 169,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,042.60 : 215,675.10 = 112,938.60 : x
  2. Step 2: Convert to fraction form
    144,042.60/215,675.10 = 112,938.60/x
  3. Step 3: Cross multiply
    144,042.60x = 215,675.10 × 112,938.60
  4. Step 4: Simplify right side
    144,042.60x = 24,358,043,848.86
  5. Step 5: Solve for x
    x = 24,358,043,848.86/144,042.60
  6. Step 6: Final answer
    x = 169,103.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.