Home / 157,851.32-217,834.54-90,795.96

Finding the Fourth Proportional to 157,851.32, 217,834.54 and 90,795.96

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Solution

The fourth proportional to 157,851.32, 217,834.54 and 90,795.96 is: 125,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,851.32 : 217,834.54 = 90,795.96 : x
  2. Step 2: Convert to fraction form
    157,851.32/217,834.54 = 90,795.96/x
  3. Step 3: Cross multiply
    157,851.32x = 217,834.54 × 90,795.96
  4. Step 4: Simplify right side
    157,851.32x = 19,778,496,180.46
  5. Step 5: Solve for x
    x = 19,778,496,180.46/157,851.32
  6. Step 6: Final answer
    x = 125,298.26

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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.