Home / 108,870.35-163,263.53-42,301.71

Finding the Fourth Proportional to 108,870.35, 163,263.53 and 42,301.71

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Solution

The fourth proportional to 108,870.35, 163,263.53 and 42,301.71 is: 63,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870.35 : 163,263.53 = 42,301.71 : x
  2. Step 2: Convert to fraction form
    108,870.35/163,263.53 = 42,301.71/x
  3. Step 3: Cross multiply
    108,870.35x = 163,263.53 × 42,301.71
  4. Step 4: Simplify right side
    108,870.35x = 6,906,326,288.13
  5. Step 5: Solve for x
    x = 6,906,326,288.13/108,870.35
  6. Step 6: Final answer
    x = 63,436.25

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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.