Home / 147,400.80-221,144.58-47,559.12

Finding the Fourth Proportional to 147,400.80, 221,144.58 and 47,559.12

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Solution

The fourth proportional to 147,400.80, 221,144.58 and 47,559.12 is: 71,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.80 : 221,144.58 = 47,559.12 : x
  2. Step 2: Convert to fraction form
    147,400.80/221,144.58 = 47,559.12/x
  3. Step 3: Cross multiply
    147,400.80x = 221,144.58 × 47,559.12
  4. Step 4: Simplify right side
    147,400.80x = 10,517,441,617.57
  5. Step 5: Solve for x
    x = 10,517,441,617.57/147,400.80
  6. Step 6: Final answer
    x = 71,352.68

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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.