Home / 112,821.50-155,694.76-62,521.58

Finding the Fourth Proportional to 112,821.50, 155,694.76 and 62,521.58

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Solution

The fourth proportional to 112,821.50, 155,694.76 and 62,521.58 is: 86,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,821.50 : 155,694.76 = 62,521.58 : x
  2. Step 2: Convert to fraction form
    112,821.50/155,694.76 = 62,521.58/x
  3. Step 3: Cross multiply
    112,821.50x = 155,694.76 × 62,521.58
  4. Step 4: Simplify right side
    112,821.50x = 9,734,282,392.92
  5. Step 5: Solve for x
    x = 9,734,282,392.92/112,821.50
  6. Step 6: Final answer
    x = 86,280.38

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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.