Home / 112,048.40-154,612.80-75,829.04

Finding the Fourth Proportional to 112,048.40, 154,612.80 and 75,829.04

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Solution

The fourth proportional to 112,048.40, 154,612.80 and 75,829.04 is: 104,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,048.40 : 154,612.80 = 75,829.04 : x
  2. Step 2: Convert to fraction form
    112,048.40/154,612.80 = 75,829.04/x
  3. Step 3: Cross multiply
    112,048.40x = 154,612.80 × 75,829.04
  4. Step 4: Simplify right side
    112,048.40x = 11,724,140,195.71
  5. Step 5: Solve for x
    x = 11,724,140,195.71/112,048.40
  6. Step 6: Final answer
    x = 104,634.61

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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.