Home / 220,923.90-304,864.11-125,418.06

Finding the Fourth Proportional to 220,923.90, 304,864.11 and 125,418.06

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Solution

The fourth proportional to 220,923.90, 304,864.11 and 125,418.06 is: 173,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,923.90 : 304,864.11 = 125,418.06 : x
  2. Step 2: Convert to fraction form
    220,923.90/304,864.11 = 125,418.06/x
  3. Step 3: Cross multiply
    220,923.90x = 304,864.11 × 125,418.06
  4. Step 4: Simplify right side
    220,923.90x = 38,235,463,715.51
  5. Step 5: Solve for x
    x = 38,235,463,715.51/220,923.90
  6. Step 6: Final answer
    x = 173,070.75

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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.