Home / 147,669.60-221,536.80-47,812.80

Finding the Fourth Proportional to 147,669.60, 221,536.80 and 47,812.80

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Solution

The fourth proportional to 147,669.60, 221,536.80 and 47,812.80 is: 71,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,669.60 : 221,536.80 = 47,812.80 : x
  2. Step 2: Convert to fraction form
    147,669.60/221,536.80 = 47,812.80/x
  3. Step 3: Cross multiply
    147,669.60x = 221,536.80 × 47,812.80
  4. Step 4: Simplify right side
    147,669.60x = 10,592,294,711.04
  5. Step 5: Solve for x
    x = 10,592,294,711.04/147,669.60
  6. Step 6: Final answer
    x = 71,729.69

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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.