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Finding the Fourth Proportional to 160,638.60, 240,957.90 and 123,313.80

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Solution

The fourth proportional to 160,638.60, 240,957.90 and 123,313.80 is: 184,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,638.60 : 240,957.90 = 123,313.80 : x
  2. Step 2: Convert to fraction form
    160,638.60/240,957.90 = 123,313.80/x
  3. Step 3: Cross multiply
    160,638.60x = 240,957.90 × 123,313.80
  4. Step 4: Simplify right side
    160,638.60x = 29,713,434,289.02
  5. Step 5: Solve for x
    x = 29,713,434,289.02/160,638.60
  6. Step 6: Final answer
    x = 184,970.70

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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.