Home / 113,316.30-169,969.05-38,429.10

Finding the Fourth Proportional to 113,316.30, 169,969.05 and 38,429.10

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Solution

The fourth proportional to 113,316.30, 169,969.05 and 38,429.10 is: 57,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,316.30 : 169,969.05 = 38,429.10 : x
  2. Step 2: Convert to fraction form
    113,316.30/169,969.05 = 38,429.10/x
  3. Step 3: Cross multiply
    113,316.30x = 169,969.05 × 38,429.10
  4. Step 4: Simplify right side
    113,316.30x = 6,531,757,619.36
  5. Step 5: Solve for x
    x = 6,531,757,619.36/113,316.30
  6. Step 6: Final answer
    x = 57,641.82

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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.