Home / 112,366.86-168,575.40-42,246.78

Finding the Fourth Proportional to 112,366.86, 168,575.40 and 42,246.78

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Solution

The fourth proportional to 112,366.86, 168,575.40 and 42,246.78 is: 63,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,366.86 : 168,575.40 = 42,246.78 : x
  2. Step 2: Convert to fraction form
    112,366.86/168,575.40 = 42,246.78/x
  3. Step 3: Cross multiply
    112,366.86x = 168,575.40 × 42,246.78
  4. Step 4: Simplify right side
    112,366.86x = 7,121,767,837.21
  5. Step 5: Solve for x
    x = 7,121,767,837.21/112,366.86
  6. Step 6: Final answer
    x = 63,379.61

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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.