Home / 157,399.95-217,187.10-88,475.82

Finding the Fourth Proportional to 157,399.95, 217,187.10 and 88,475.82

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Solution

The fourth proportional to 157,399.95, 217,187.10 and 88,475.82 is: 122,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,399.95 : 217,187.10 = 88,475.82 : x
  2. Step 2: Convert to fraction form
    157,399.95/217,187.10 = 88,475.82/x
  3. Step 3: Cross multiply
    157,399.95x = 217,187.10 × 88,475.82
  4. Step 4: Simplify right side
    157,399.95x = 19,215,806,765.92
  5. Step 5: Solve for x
    x = 19,215,806,765.92/157,399.95
  6. Step 6: Final answer
    x = 122,082.67

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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.