Home / 112,098.72-167,972.90-70,458.24

Finding the Fourth Proportional to 112,098.72, 167,972.90 and 70,458.24

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Solution

The fourth proportional to 112,098.72, 167,972.90 and 70,458.24 is: 105,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.72 : 167,972.90 = 70,458.24 : x
  2. Step 2: Convert to fraction form
    112,098.72/167,972.90 = 70,458.24/x
  3. Step 3: Cross multiply
    112,098.72x = 167,972.90 × 70,458.24
  4. Step 4: Simplify right side
    112,098.72x = 11,835,074,901.70
  5. Step 5: Solve for x
    x = 11,835,074,901.70/112,098.72
  6. Step 6: Final answer
    x = 105,577.25

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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.