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Finding the Fourth Proportional to 160,602.31, 240,828.67 and 71,856.55

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Solution

The fourth proportional to 160,602.31, 240,828.67 and 71,856.55 is: 107,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.31 : 240,828.67 = 71,856.55 : x
  2. Step 2: Convert to fraction form
    160,602.31/240,828.67 = 71,856.55/x
  3. Step 3: Cross multiply
    160,602.31x = 240,828.67 × 71,856.55
  4. Step 4: Simplify right side
    160,602.31x = 17,305,116,855.04
  5. Step 5: Solve for x
    x = 17,305,116,855.04/160,602.31
  6. Step 6: Final answer
    x = 107,751.36

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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.