Home / 221,010.02-304,983.30-125,503.76

Finding the Fourth Proportional to 221,010.02, 304,983.30 and 125,503.76

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Solution

The fourth proportional to 221,010.02, 304,983.30 and 125,503.76 is: 173,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,010.02 : 304,983.30 = 125,503.76 : x
  2. Step 2: Convert to fraction form
    221,010.02/304,983.30 = 125,503.76/x
  3. Step 3: Cross multiply
    221,010.02x = 304,983.30 × 125,503.76
  4. Step 4: Simplify right side
    221,010.02x = 38,276,550,887.21
  5. Step 5: Solve for x
    x = 38,276,550,887.21/221,010.02
  6. Step 6: Final answer
    x = 173,189.21

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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.