Home / 169,949.07-254,908.89-79,970.45

Finding the Fourth Proportional to 169,949.07, 254,908.89 and 79,970.45

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Solution

The fourth proportional to 169,949.07, 254,908.89 and 79,970.45 is: 119,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,949.07 : 254,908.89 = 79,970.45 : x
  2. Step 2: Convert to fraction form
    169,949.07/254,908.89 = 79,970.45/x
  3. Step 3: Cross multiply
    169,949.07x = 254,908.89 × 79,970.45
  4. Step 4: Simplify right side
    169,949.07x = 20,385,177,367.76
  5. Step 5: Solve for x
    x = 20,385,177,367.76/169,949.07
  6. Step 6: Final answer
    x = 119,948.74

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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.