Home / 220,928.81-304,883.79-125,437.55

Finding the Fourth Proportional to 220,928.81, 304,883.79 and 125,437.55

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Solution

The fourth proportional to 220,928.81, 304,883.79 and 125,437.55 is: 173,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,928.81 : 304,883.79 = 125,437.55 : x
  2. Step 2: Convert to fraction form
    220,928.81/304,883.79 = 125,437.55/x
  3. Step 3: Cross multiply
    220,928.81x = 304,883.79 × 125,437.55
  4. Step 4: Simplify right side
    220,928.81x = 38,243,875,652.31
  5. Step 5: Solve for x
    x = 38,243,875,652.31/220,928.81
  6. Step 6: Final answer
    x = 173,104.97

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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.