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Finding the Fourth Proportional to 160,100.70, 240,237.45 and 66,615.90

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Solution

The fourth proportional to 160,100.70, 240,237.45 and 66,615.90 is: 99,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,100.70 : 240,237.45 = 66,615.90 : x
  2. Step 2: Convert to fraction form
    160,100.70/240,237.45 = 66,615.90/x
  3. Step 3: Cross multiply
    160,100.70x = 240,237.45 × 66,615.90
  4. Step 4: Simplify right side
    160,100.70x = 16,003,633,945.46
  5. Step 5: Solve for x
    x = 16,003,633,945.46/160,100.70
  6. Step 6: Final answer
    x = 99,959.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.