Home / 122,641.32-169,373.52-84,500.04

Finding the Fourth Proportional to 122,641.32, 169,373.52 and 84,500.04

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Solution

The fourth proportional to 122,641.32, 169,373.52 and 84,500.04 is: 116,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,641.32 : 169,373.52 = 84,500.04 : x
  2. Step 2: Convert to fraction form
    122,641.32/169,373.52 = 84,500.04/x
  3. Step 3: Cross multiply
    122,641.32x = 169,373.52 × 84,500.04
  4. Step 4: Simplify right side
    122,641.32x = 14,312,069,214.94
  5. Step 5: Solve for x
    x = 14,312,069,214.94/122,641.32
  6. Step 6: Final answer
    x = 116,698.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.