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Finding the Fourth Proportional to 160,253.40, 240,185.70 and 71,412.60

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Solution

The fourth proportional to 160,253.40, 240,185.70 and 71,412.60 is: 107,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,253.40 : 240,185.70 = 71,412.60 : x
  2. Step 2: Convert to fraction form
    160,253.40/240,185.70 = 71,412.60/x
  3. Step 3: Cross multiply
    160,253.40x = 240,185.70 × 71,412.60
  4. Step 4: Simplify right side
    160,253.40x = 17,152,285,319.82
  5. Step 5: Solve for x
    x = 17,152,285,319.82/160,253.40
  6. Step 6: Final answer
    x = 107,032.27

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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.