Home / 162,742.72-224,558.76-91,125.76

Finding the Fourth Proportional to 162,742.72, 224,558.76 and 91,125.76

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Solution

The fourth proportional to 162,742.72, 224,558.76 and 91,125.76 is: 125,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,742.72 : 224,558.76 = 91,125.76 : x
  2. Step 2: Convert to fraction form
    162,742.72/224,558.76 = 91,125.76/x
  3. Step 3: Cross multiply
    162,742.72x = 224,558.76 × 91,125.76
  4. Step 4: Simplify right side
    162,742.72x = 20,463,087,669.66
  5. Step 5: Solve for x
    x = 20,463,087,669.66/162,742.72
  6. Step 6: Final answer
    x = 125,738.88

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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.