Home / 218,221.07-301,099.92-127,559.49

Finding the Fourth Proportional to 218,221.07, 301,099.92 and 127,559.49

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Solution

The fourth proportional to 218,221.07, 301,099.92 and 127,559.49 is: 176,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,221.07 : 301,099.92 = 127,559.49 : x
  2. Step 2: Convert to fraction form
    218,221.07/301,099.92 = 127,559.49/x
  3. Step 3: Cross multiply
    218,221.07x = 301,099.92 × 127,559.49
  4. Step 4: Simplify right side
    218,221.07x = 38,408,152,320.46
  5. Step 5: Solve for x
    x = 38,408,152,320.46/218,221.07
  6. Step 6: Final answer
    x = 176,005.70

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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.