Home / 108,867.35-163,259.03-42,298.71

Finding the Fourth Proportional to 108,867.35, 163,259.03 and 42,298.71

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Solution

The fourth proportional to 108,867.35, 163,259.03 and 42,298.71 is: 63,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.35 : 163,259.03 = 42,298.71 : x
  2. Step 2: Convert to fraction form
    108,867.35/163,259.03 = 42,298.71/x
  3. Step 3: Cross multiply
    108,867.35x = 163,259.03 × 42,298.71
  4. Step 4: Simplify right side
    108,867.35x = 6,905,646,470.60
  5. Step 5: Solve for x
    x = 6,905,646,470.60/108,867.35
  6. Step 6: Final answer
    x = 63,431.75

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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.