Home / 165,087.30-247,630.95-155,245.80

Finding the Fourth Proportional to 165,087.30, 247,630.95 and 155,245.80

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Solution

The fourth proportional to 165,087.30, 247,630.95 and 155,245.80 is: 232,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.30 : 247,630.95 = 155,245.80 : x
  2. Step 2: Convert to fraction form
    165,087.30/247,630.95 = 155,245.80/x
  3. Step 3: Cross multiply
    165,087.30x = 247,630.95 × 155,245.80
  4. Step 4: Simplify right side
    165,087.30x = 38,443,664,937.51
  5. Step 5: Solve for x
    x = 38,443,664,937.51/165,087.30
  6. Step 6: Final answer
    x = 232,868.70

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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.