Home / 122,573.48-169,145.70-68,123.12

Finding the Fourth Proportional to 122,573.48, 169,145.70 and 68,123.12

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Solution

The fourth proportional to 122,573.48, 169,145.70 and 68,123.12 is: 94,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,573.48 : 169,145.70 = 68,123.12 : x
  2. Step 2: Convert to fraction form
    122,573.48/169,145.70 = 68,123.12/x
  3. Step 3: Cross multiply
    122,573.48x = 169,145.70 × 68,123.12
  4. Step 4: Simplify right side
    122,573.48x = 11,522,732,818.58
  5. Step 5: Solve for x
    x = 11,522,732,818.58/122,573.48
  6. Step 6: Final answer
    x = 94,006.74

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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.