Home / 122,310.45-168,710.73-88,368.81

Finding the Fourth Proportional to 122,310.45, 168,710.73 and 88,368.81

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Solution

The fourth proportional to 122,310.45, 168,710.73 and 88,368.81 is: 121,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,310.45 : 168,710.73 = 88,368.81 : x
  2. Step 2: Convert to fraction form
    122,310.45/168,710.73 = 88,368.81/x
  3. Step 3: Cross multiply
    122,310.45x = 168,710.73 × 88,368.81
  4. Step 4: Simplify right side
    122,310.45x = 14,908,766,444.33
  5. Step 5: Solve for x
    x = 14,908,766,444.33/122,310.45
  6. Step 6: Final answer
    x = 121,892.83

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1.5x scale

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.