Home / 169,002.28-253,625.51-66,434.86

Finding the Fourth Proportional to 169,002.28, 253,625.51 and 66,434.86

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Solution

The fourth proportional to 169,002.28, 253,625.51 and 66,434.86 is: 99,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,002.28 : 253,625.51 = 66,434.86 : x
  2. Step 2: Convert to fraction form
    169,002.28/253,625.51 = 66,434.86/x
  3. Step 3: Cross multiply
    169,002.28x = 253,625.51 × 66,434.86
  4. Step 4: Simplify right side
    169,002.28x = 16,849,575,249.28
  5. Step 5: Solve for x
    x = 16,849,575,249.28/169,002.28
  6. Step 6: Final answer
    x = 99,700.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.