Home / 112,423.04-168,643.52-29,317.76

Finding the Fourth Proportional to 112,423.04, 168,643.52 and 29,317.76

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Solution

The fourth proportional to 112,423.04, 168,643.52 and 29,317.76 is: 43,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,423.04 : 168,643.52 = 29,317.76 : x
  2. Step 2: Convert to fraction form
    112,423.04/168,643.52 = 29,317.76/x
  3. Step 3: Cross multiply
    112,423.04x = 168,643.52 × 29,317.76
  4. Step 4: Simplify right side
    112,423.04x = 4,944,250,244.92
  5. Step 5: Solve for x
    x = 4,944,250,244.92/112,423.04
  6. Step 6: Final answer
    x = 43,978.98

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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.