Home / 160,296.40-240,247.68-90,028

Finding the Fourth Proportional to 160,296.40, 240,247.68 and 90,028

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Solution

The fourth proportional to 160,296.40, 240,247.68 and 90,028 is: 134,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,296.40 : 240,247.68 = 90,028 : x
  2. Step 2: Convert to fraction form
    160,296.40/240,247.68 = 90,028/x
  3. Step 3: Cross multiply
    160,296.40x = 240,247.68 × 90,028
  4. Step 4: Simplify right side
    160,296.40x = 21,629,018,135.04
  5. Step 5: Solve for x
    x = 21,629,018,135.04/160,296.40
  6. Step 6: Final answer
    x = 134,931.40

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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.