Home / 147,243.72-220,900.20-47,400.19

Finding the Fourth Proportional to 147,243.72, 220,900.20 and 47,400.19

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Solution

The fourth proportional to 147,243.72, 220,900.20 and 47,400.19 is: 71,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,243.72 : 220,900.20 = 47,400.19 : x
  2. Step 2: Convert to fraction form
    147,243.72/220,900.20 = 47,400.19/x
  3. Step 3: Cross multiply
    147,243.72x = 220,900.20 × 47,400.19
  4. Step 4: Simplify right side
    147,243.72x = 10,470,710,898.79
  5. Step 5: Solve for x
    x = 10,470,710,898.79/147,243.72
  6. Step 6: Final answer
    x = 71,111.43

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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.