Home / 124,518.16-171,811.56-74,221.84

Finding the Fourth Proportional to 124,518.16, 171,811.56 and 74,221.84

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Solution

The fourth proportional to 124,518.16, 171,811.56 and 74,221.84 is: 102,412.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.16 : 171,811.56 = 74,221.84 : x
  2. Step 2: Convert to fraction form
    124,518.16/171,811.56 = 74,221.84/x
  3. Step 3: Cross multiply
    124,518.16x = 171,811.56 × 74,221.84
  4. Step 4: Simplify right side
    124,518.16x = 12,752,170,116.47
  5. Step 5: Solve for x
    x = 12,752,170,116.47/124,518.16
  6. Step 6: Final answer
    x = 102,412.13

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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.