Home / 155,760.98-233,638.11-43,438.20

Finding the Fourth Proportional to 155,760.98, 233,638.11 and 43,438.20

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Solution

The fourth proportional to 155,760.98, 233,638.11 and 43,438.20 is: 65,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,760.98 : 233,638.11 = 43,438.20 : x
  2. Step 2: Convert to fraction form
    155,760.98/233,638.11 = 43,438.20/x
  3. Step 3: Cross multiply
    155,760.98x = 233,638.11 × 43,438.20
  4. Step 4: Simplify right side
    155,760.98x = 10,148,818,949.80
  5. Step 5: Solve for x
    x = 10,148,818,949.80/155,760.98
  6. Step 6: Final answer
    x = 65,156.36

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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.