Home / 113,357.70-169,987.95-57,176.10

Finding the Fourth Proportional to 113,357.70, 169,987.95 and 57,176.10

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Solution

The fourth proportional to 113,357.70, 169,987.95 and 57,176.10 is: 85,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,357.70 : 169,987.95 = 57,176.10 : x
  2. Step 2: Convert to fraction form
    113,357.70/169,987.95 = 57,176.10/x
  3. Step 3: Cross multiply
    113,357.70x = 169,987.95 × 57,176.10
  4. Step 4: Simplify right side
    113,357.70x = 9,719,248,028.00
  5. Step 5: Solve for x
    x = 9,719,248,028.00/113,357.70
  6. Step 6: Final answer
    x = 85,739.64

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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.