Home / 112,942.29-169,080.57-98,929.70

Finding the Fourth Proportional to 112,942.29, 169,080.57 and 98,929.70

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Solution

The fourth proportional to 112,942.29, 169,080.57 and 98,929.70 is: 148,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,942.29 : 169,080.57 = 98,929.70 : x
  2. Step 2: Convert to fraction form
    112,942.29/169,080.57 = 98,929.70/x
  3. Step 3: Cross multiply
    112,942.29x = 169,080.57 × 98,929.70
  4. Step 4: Simplify right side
    112,942.29x = 16,727,090,065.93
  5. Step 5: Solve for x
    x = 16,727,090,065.93/112,942.29
  6. Step 6: Final answer
    x = 148,102.98

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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.