Home / 108,934.77-163,217.63-66,726.59

Finding the Fourth Proportional to 108,934.77, 163,217.63 and 66,726.59

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Solution

The fourth proportional to 108,934.77, 163,217.63 and 66,726.59 is: 99,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.77 : 163,217.63 = 66,726.59 : x
  2. Step 2: Convert to fraction form
    108,934.77/163,217.63 = 66,726.59/x
  3. Step 3: Cross multiply
    108,934.77x = 163,217.63 × 66,726.59
  4. Step 4: Simplify right side
    108,934.77x = 10,890,955,228.51
  5. Step 5: Solve for x
    x = 10,890,955,228.51/108,934.77
  6. Step 6: Final answer
    x = 99,976.85

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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.