Home / 160,236.40-240,281.70-85,337.32

Finding the Fourth Proportional to 160,236.40, 240,281.70 and 85,337.32

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Solution

The fourth proportional to 160,236.40, 240,281.70 and 85,337.32 is: 127,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,236.40 : 240,281.70 = 85,337.32 : x
  2. Step 2: Convert to fraction form
    160,236.40/240,281.70 = 85,337.32/x
  3. Step 3: Cross multiply
    160,236.40x = 240,281.70 × 85,337.32
  4. Step 4: Simplify right side
    160,236.40x = 20,504,996,323.04
  5. Step 5: Solve for x
    x = 20,504,996,323.04/160,236.40
  6. Step 6: Final answer
    x = 127,967.16

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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.