Home / 112,400.90-168,695.94-56,224.16

Finding the Fourth Proportional to 112,400.90, 168,695.94 and 56,224.16

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Solution

The fourth proportional to 112,400.90, 168,695.94 and 56,224.16 is: 84,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.90 : 168,695.94 = 56,224.16 : x
  2. Step 2: Convert to fraction form
    112,400.90/168,695.94 = 56,224.16/x
  3. Step 3: Cross multiply
    112,400.90x = 168,695.94 × 56,224.16
  4. Step 4: Simplify right side
    112,400.90x = 9,484,787,521.91
  5. Step 5: Solve for x
    x = 9,484,787,521.91/112,400.90
  6. Step 6: Final answer
    x = 84,383.55

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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.