Home / 221,242.98-305,341.54-125,764.02

Finding the Fourth Proportional to 221,242.98, 305,341.54 and 125,764.02

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Solution

The fourth proportional to 221,242.98, 305,341.54 and 125,764.02 is: 173,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,242.98 : 305,341.54 = 125,764.02 : x
  2. Step 2: Convert to fraction form
    221,242.98/305,341.54 = 125,764.02/x
  3. Step 3: Cross multiply
    221,242.98x = 305,341.54 × 125,764.02
  4. Step 4: Simplify right side
    221,242.98x = 38,400,979,543.39
  5. Step 5: Solve for x
    x = 38,400,979,543.39/221,242.98
  6. Step 6: Final answer
    x = 173,569.26

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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.