Home / 122,953.60-169,677.84-75,196.72

Finding the Fourth Proportional to 122,953.60, 169,677.84 and 75,196.72

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Solution

The fourth proportional to 122,953.60, 169,677.84 and 75,196.72 is: 103,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,953.60 : 169,677.84 = 75,196.72 : x
  2. Step 2: Convert to fraction form
    122,953.60/169,677.84 = 75,196.72/x
  3. Step 3: Cross multiply
    122,953.60x = 169,677.84 × 75,196.72
  4. Step 4: Simplify right side
    122,953.60x = 12,759,217,024.68
  5. Step 5: Solve for x
    x = 12,759,217,024.68/122,953.60
  6. Step 6: Final answer
    x = 103,772.62

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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.