Home / 112,103.80-167,928.90-69,854.20

Finding the Fourth Proportional to 112,103.80, 167,928.90 and 69,854.20

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Solution

The fourth proportional to 112,103.80, 167,928.90 and 69,854.20 is: 104,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103.80 : 167,928.90 = 69,854.20 : x
  2. Step 2: Convert to fraction form
    112,103.80/167,928.90 = 69,854.20/x
  3. Step 3: Cross multiply
    112,103.80x = 167,928.90 × 69,854.20
  4. Step 4: Simplify right side
    112,103.80x = 11,730,538,966.38
  5. Step 5: Solve for x
    x = 11,730,538,966.38/112,103.80
  6. Step 6: Final answer
    x = 104,639.98

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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.