Home / 112,299.30-154,847.16-76,510.26

Finding the Fourth Proportional to 112,299.30, 154,847.16 and 76,510.26

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Solution

The fourth proportional to 112,299.30, 154,847.16 and 76,510.26 is: 105,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,299.30 : 154,847.16 = 76,510.26 : x
  2. Step 2: Convert to fraction form
    112,299.30/154,847.16 = 76,510.26/x
  3. Step 3: Cross multiply
    112,299.30x = 154,847.16 × 76,510.26
  4. Step 4: Simplify right side
    112,299.30x = 11,847,396,471.86
  5. Step 5: Solve for x
    x = 11,847,396,471.86/112,299.30
  6. Step 6: Final answer
    x = 105,498.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.