Home / 112,263.13-168,248.89-45,625.71

Finding the Fourth Proportional to 112,263.13, 168,248.89 and 45,625.71

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Solution

The fourth proportional to 112,263.13, 168,248.89 and 45,625.71 is: 68,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,263.13 : 168,248.89 = 45,625.71 : x
  2. Step 2: Convert to fraction form
    112,263.13/168,248.89 = 45,625.71/x
  3. Step 3: Cross multiply
    112,263.13x = 168,248.89 × 45,625.71
  4. Step 4: Simplify right side
    112,263.13x = 7,676,475,062.96
  5. Step 5: Solve for x
    x = 7,676,475,062.96/112,263.13
  6. Step 6: Final answer
    x = 68,379.31

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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.