Home / 157,227.48-217,118.07-99,885.24

Finding the Fourth Proportional to 157,227.48, 217,118.07 and 99,885.24

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Solution

The fourth proportional to 157,227.48, 217,118.07 and 99,885.24 is: 137,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,227.48 : 217,118.07 = 99,885.24 : x
  2. Step 2: Convert to fraction form
    157,227.48/217,118.07 = 99,885.24/x
  3. Step 3: Cross multiply
    157,227.48x = 217,118.07 × 99,885.24
  4. Step 4: Simplify right side
    157,227.48x = 21,686,890,530.29
  5. Step 5: Solve for x
    x = 21,686,890,530.29/157,227.48
  6. Step 6: Final answer
    x = 137,933.21

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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.