Home / 108,690.19-163,040.78-38,574.97

Finding the Fourth Proportional to 108,690.19, 163,040.78 and 38,574.97

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Solution

The fourth proportional to 108,690.19, 163,040.78 and 38,574.97 is: 57,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,690.19 : 163,040.78 = 38,574.97 : x
  2. Step 2: Convert to fraction form
    108,690.19/163,040.78 = 38,574.97/x
  3. Step 3: Cross multiply
    108,690.19x = 163,040.78 × 38,574.97
  4. Step 4: Simplify right side
    108,690.19x = 6,289,292,886.11
  5. Step 5: Solve for x
    x = 6,289,292,886.11/108,690.19
  6. Step 6: Final answer
    x = 57,864.40

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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.