Home / 112,834.57-169,247.74-45,387.49

Finding the Fourth Proportional to 112,834.57, 169,247.74 and 45,387.49

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Solution

The fourth proportional to 112,834.57, 169,247.74 and 45,387.49 is: 68,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.57 : 169,247.74 = 45,387.49 : x
  2. Step 2: Convert to fraction form
    112,834.57/169,247.74 = 45,387.49/x
  3. Step 3: Cross multiply
    112,834.57x = 169,247.74 × 45,387.49
  4. Step 4: Simplify right side
    112,834.57x = 7,681,730,106.77
  5. Step 5: Solve for x
    x = 7,681,730,106.77/112,834.57
  6. Step 6: Final answer
    x = 68,079.58

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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.