Home / 109,965.93-151,748.84-62,220.31

Finding the Fourth Proportional to 109,965.93, 151,748.84 and 62,220.31

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Solution

The fourth proportional to 109,965.93, 151,748.84 and 62,220.31 is: 85,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,965.93 : 151,748.84 = 62,220.31 : x
  2. Step 2: Convert to fraction form
    109,965.93/151,748.84 = 62,220.31/x
  3. Step 3: Cross multiply
    109,965.93x = 151,748.84 × 62,220.31
  4. Step 4: Simplify right side
    109,965.93x = 9,441,859,108.20
  5. Step 5: Solve for x
    x = 9,441,859,108.20/109,965.93
  6. Step 6: Final answer
    x = 85,861.68

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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.