Home / 108,959.09-163,087.08-56,296.13

Finding the Fourth Proportional to 108,959.09, 163,087.08 and 56,296.13

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Solution

The fourth proportional to 108,959.09, 163,087.08 and 56,296.13 is: 84,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,959.09 : 163,087.08 = 56,296.13 : x
  2. Step 2: Convert to fraction form
    108,959.09/163,087.08 = 56,296.13/x
  3. Step 3: Cross multiply
    108,959.09x = 163,087.08 × 56,296.13
  4. Step 4: Simplify right side
    108,959.09x = 9,181,170,641.57
  5. Step 5: Solve for x
    x = 9,181,170,641.57/108,959.09
  6. Step 6: Final answer
    x = 84,262.55

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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.