Home / 113,389.48-170,189.31-57,269.00

Finding the Fourth Proportional to 113,389.48, 170,189.31 and 57,269.00

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Solution

The fourth proportional to 113,389.48, 170,189.31 and 57,269.00 is: 85,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,389.48 : 170,189.31 = 57,269.00 : x
  2. Step 2: Convert to fraction form
    113,389.48/170,189.31 = 57,269.00/x
  3. Step 3: Cross multiply
    113,389.48x = 170,189.31 × 57,269.00
  4. Step 4: Simplify right side
    113,389.48x = 9,746,571,062.55
  5. Step 5: Solve for x
    x = 9,746,571,062.55/113,389.48
  6. Step 6: Final answer
    x = 85,956.57

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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.