Home / 113,425.09-170,039.18-57,218.24

Finding the Fourth Proportional to 113,425.09, 170,039.18 and 57,218.24

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Solution

The fourth proportional to 113,425.09, 170,039.18 and 57,218.24 is: 85,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.09 : 170,039.18 = 57,218.24 : x
  2. Step 2: Convert to fraction form
    113,425.09/170,039.18 = 57,218.24/x
  3. Step 3: Cross multiply
    113,425.09x = 170,039.18 × 57,218.24
  4. Step 4: Simplify right side
    113,425.09x = 9,729,343,178.79
  5. Step 5: Solve for x
    x = 9,729,343,178.79/113,425.09
  6. Step 6: Final answer
    x = 85,777.70

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1.5x scale

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.