Home / 157,455.89-217,278.24-88,555.67

Finding the Fourth Proportional to 157,455.89, 217,278.24 and 88,555.67

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Solution

The fourth proportional to 157,455.89, 217,278.24 and 88,555.67 is: 122,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,455.89 : 217,278.24 = 88,555.67 : x
  2. Step 2: Convert to fraction form
    157,455.89/217,278.24 = 88,555.67/x
  3. Step 3: Cross multiply
    157,455.89x = 217,278.24 × 88,555.67
  4. Step 4: Simplify right side
    157,455.89x = 19,241,220,119.62
  5. Step 5: Solve for x
    x = 19,241,220,119.62/157,455.89
  6. Step 6: Final answer
    x = 122,200.70

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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.