Home / 157,370.40-217,043.28-144,250.56

Finding the Fourth Proportional to 157,370.40, 217,043.28 and 144,250.56

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Solution

The fourth proportional to 157,370.40, 217,043.28 and 144,250.56 is: 198,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370.40 : 217,043.28 = 144,250.56 : x
  2. Step 2: Convert to fraction form
    157,370.40/217,043.28 = 144,250.56/x
  3. Step 3: Cross multiply
    157,370.40x = 217,043.28 × 144,250.56
  4. Step 4: Simplify right side
    157,370.40x = 31,308,614,684.24
  5. Step 5: Solve for x
    x = 31,308,614,684.24/157,370.40
  6. Step 6: Final answer
    x = 198,948.56

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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.