Home / 112,957.02-155,815.92-70,441.74

Finding the Fourth Proportional to 112,957.02, 155,815.92 and 70,441.74

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Solution

The fourth proportional to 112,957.02, 155,815.92 and 70,441.74 is: 97,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,957.02 : 155,815.92 = 70,441.74 : x
  2. Step 2: Convert to fraction form
    112,957.02/155,815.92 = 70,441.74/x
  3. Step 3: Cross multiply
    112,957.02x = 155,815.92 × 70,441.74
  4. Step 4: Simplify right side
    112,957.02x = 10,975,944,524.50
  5. Step 5: Solve for x
    x = 10,975,944,524.50/112,957.02
  6. Step 6: Final answer
    x = 97,169.21

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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.