Home / 155,455.80-233,126.10-50,278.20

Finding the Fourth Proportional to 155,455.80, 233,126.10 and 50,278.20

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Solution

The fourth proportional to 155,455.80, 233,126.10 and 50,278.20 is: 75,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.80 : 233,126.10 = 50,278.20 : x
  2. Step 2: Convert to fraction form
    155,455.80/233,126.10 = 50,278.20/x
  3. Step 3: Cross multiply
    155,455.80x = 233,126.10 × 50,278.20
  4. Step 4: Simplify right side
    155,455.80x = 11,721,160,681.02
  5. Step 5: Solve for x
    x = 11,721,160,681.02/155,455.80
  6. Step 6: Final answer
    x = 75,398.67

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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.