Home / 109,953.36-151,744.86-62,215.89

Finding the Fourth Proportional to 109,953.36, 151,744.86 and 62,215.89

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Solution

The fourth proportional to 109,953.36, 151,744.86 and 62,215.89 is: 85,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.36 : 151,744.86 = 62,215.89 : x
  2. Step 2: Convert to fraction form
    109,953.36/151,744.86 = 62,215.89/x
  3. Step 3: Cross multiply
    109,953.36x = 151,744.86 × 62,215.89
  4. Step 4: Simplify right side
    109,953.36x = 9,440,941,517.83
  5. Step 5: Solve for x
    x = 9,440,941,517.83/109,953.36
  6. Step 6: Final answer
    x = 85,863.15

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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.