Home / 108,759.72-163,152.90-38,646.12

Finding the Fourth Proportional to 108,759.72, 163,152.90 and 38,646.12

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Solution

The fourth proportional to 108,759.72, 163,152.90 and 38,646.12 is: 57,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.72 : 163,152.90 = 38,646.12 : x
  2. Step 2: Convert to fraction form
    108,759.72/163,152.90 = 38,646.12/x
  3. Step 3: Cross multiply
    108,759.72x = 163,152.90 × 38,646.12
  4. Step 4: Simplify right side
    108,759.72x = 6,305,226,551.75
  5. Step 5: Solve for x
    x = 6,305,226,551.75/108,759.72
  6. Step 6: Final answer
    x = 57,973.91

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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.