Home / 154,283.36-231,263.04-75,288.92

Finding the Fourth Proportional to 154,283.36, 231,263.04 and 75,288.92

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Solution

The fourth proportional to 154,283.36, 231,263.04 and 75,288.92 is: 112,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,283.36 : 231,263.04 = 75,288.92 : x
  2. Step 2: Convert to fraction form
    154,283.36/231,263.04 = 75,288.92/x
  3. Step 3: Cross multiply
    154,283.36x = 231,263.04 × 75,288.92
  4. Step 4: Simplify right side
    154,283.36x = 17,411,544,517.52
  5. Step 5: Solve for x
    x = 17,411,544,517.52/154,283.36
  6. Step 6: Final answer
    x = 112,854.33

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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.