Home / 163,127.20-225,123.60-91,503.52

Finding the Fourth Proportional to 163,127.20, 225,123.60 and 91,503.52

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Solution

The fourth proportional to 163,127.20, 225,123.60 and 91,503.52 is: 126,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,127.20 : 225,123.60 = 91,503.52 : x
  2. Step 2: Convert to fraction form
    163,127.20/225,123.60 = 91,503.52/x
  3. Step 3: Cross multiply
    163,127.20x = 225,123.60 × 91,503.52
  4. Step 4: Simplify right side
    163,127.20x = 20,599,601,835.07
  5. Step 5: Solve for x
    x = 20,599,601,835.07/163,127.20
  6. Step 6: Final answer
    x = 126,279.38

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1.5x scale

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.