Home / 155,487.28-233,173.80-55,620.40

Finding the Fourth Proportional to 155,487.28, 233,173.80 and 55,620.40

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Solution

The fourth proportional to 155,487.28, 233,173.80 and 55,620.40 is: 83,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,487.28 : 233,173.80 = 55,620.40 : x
  2. Step 2: Convert to fraction form
    155,487.28/233,173.80 = 55,620.40/x
  3. Step 3: Cross multiply
    155,487.28x = 233,173.80 × 55,620.40
  4. Step 4: Simplify right side
    155,487.28x = 12,969,220,025.52
  5. Step 5: Solve for x
    x = 12,969,220,025.52/155,487.28
  6. Step 6: Final answer
    x = 83,410.17

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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.