Home / 221,372.67-305,466.18-125,881.35

Finding the Fourth Proportional to 221,372.67, 305,466.18 and 125,881.35

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Solution

The fourth proportional to 221,372.67, 305,466.18 and 125,881.35 is: 173,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,372.67 : 305,466.18 = 125,881.35 : x
  2. Step 2: Convert to fraction form
    221,372.67/305,466.18 = 125,881.35/x
  3. Step 3: Cross multiply
    221,372.67x = 305,466.18 × 125,881.35
  4. Step 4: Simplify right side
    221,372.67x = 38,452,495,117.74
  5. Step 5: Solve for x
    x = 38,452,495,117.74/221,372.67
  6. Step 6: Final answer
    x = 173,700.28

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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.