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Finding the Fourth Proportional to 169,972.58, 255,970.72 and 148,050.74

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Solution

The fourth proportional to 169,972.58, 255,970.72 and 148,050.74 is: 222,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,972.58 : 255,970.72 = 148,050.74 : x
  2. Step 2: Convert to fraction form
    169,972.58/255,970.72 = 148,050.74/x
  3. Step 3: Cross multiply
    169,972.58x = 255,970.72 × 148,050.74
  4. Step 4: Simplify right side
    169,972.58x = 37,896,654,514.33
  5. Step 5: Solve for x
    x = 37,896,654,514.33/169,972.58
  6. Step 6: Final answer
    x = 222,957.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.