Home / 155,988.48-233,973-45,180.48

Finding the Fourth Proportional to 155,988.48, 233,973 and 45,180.48

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Solution

The fourth proportional to 155,988.48, 233,973 and 45,180.48 is: 67,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,988.48 : 233,973 = 45,180.48 : x
  2. Step 2: Convert to fraction form
    155,988.48/233,973 = 45,180.48/x
  3. Step 3: Cross multiply
    155,988.48x = 233,973 × 45,180.48
  4. Step 4: Simplify right side
    155,988.48x = 10,571,012,447.04
  5. Step 5: Solve for x
    x = 10,571,012,447.04/155,988.48
  6. Step 6: Final answer
    x = 67,767.90

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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.