Home / 112,217.30-168,099.15-69,967.70

Finding the Fourth Proportional to 112,217.30, 168,099.15 and 69,967.70

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Solution

The fourth proportional to 112,217.30, 168,099.15 and 69,967.70 is: 104,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,217.30 : 168,099.15 = 69,967.70 : x
  2. Step 2: Convert to fraction form
    112,217.30/168,099.15 = 69,967.70/x
  3. Step 3: Cross multiply
    112,217.30x = 168,099.15 × 69,967.70
  4. Step 4: Simplify right side
    112,217.30x = 11,761,510,897.46
  5. Step 5: Solve for x
    x = 11,761,510,897.46/112,217.30
  6. Step 6: Final answer
    x = 104,810.14

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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.