Home / 220,853.52-304,767.36-125,347.50

Finding the Fourth Proportional to 220,853.52, 304,767.36 and 125,347.50

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Solution

The fourth proportional to 220,853.52, 304,767.36 and 125,347.50 is: 172,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,853.52 : 304,767.36 = 125,347.50 : x
  2. Step 2: Convert to fraction form
    220,853.52/304,767.36 = 125,347.50/x
  3. Step 3: Cross multiply
    220,853.52x = 304,767.36 × 125,347.50
  4. Step 4: Simplify right side
    220,853.52x = 38,201,826,657.60
  5. Step 5: Solve for x
    x = 38,201,826,657.60/220,853.52
  6. Step 6: Final answer
    x = 172,973.59

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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.