Home / 113,420.85-170,236.42-57,300.47

Finding the Fourth Proportional to 113,420.85, 170,236.42 and 57,300.47

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Solution

The fourth proportional to 113,420.85, 170,236.42 and 57,300.47 is: 86,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420.85 : 170,236.42 = 57,300.47 : x
  2. Step 2: Convert to fraction form
    113,420.85/170,236.42 = 57,300.47/x
  3. Step 3: Cross multiply
    113,420.85x = 170,236.42 × 57,300.47
  4. Step 4: Simplify right side
    113,420.85x = 9,754,626,613.18
  5. Step 5: Solve for x
    x = 9,754,626,613.18/113,420.85
  6. Step 6: Final answer
    x = 86,003.82

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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.