Home / 174,009.80-261,014.70-121,521.80

Finding the Fourth Proportional to 174,009.80, 261,014.70 and 121,521.80

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Solution

The fourth proportional to 174,009.80, 261,014.70 and 121,521.80 is: 182,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,009.80 : 261,014.70 = 121,521.80 : x
  2. Step 2: Convert to fraction form
    174,009.80/261,014.70 = 121,521.80/x
  3. Step 3: Cross multiply
    174,009.80x = 261,014.70 × 121,521.80
  4. Step 4: Simplify right side
    174,009.80x = 31,718,976,170.46
  5. Step 5: Solve for x
    x = 31,718,976,170.46/174,009.80
  6. Step 6: Final answer
    x = 182,282.70

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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.