Home / 145,627.80-218,441.70-124,632.60

Finding the Fourth Proportional to 145,627.80, 218,441.70 and 124,632.60

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Solution

The fourth proportional to 145,627.80, 218,441.70 and 124,632.60 is: 186,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,627.80 : 218,441.70 = 124,632.60 : x
  2. Step 2: Convert to fraction form
    145,627.80/218,441.70 = 124,632.60/x
  3. Step 3: Cross multiply
    145,627.80x = 218,441.70 × 124,632.60
  4. Step 4: Simplify right side
    145,627.80x = 27,224,957,019.42
  5. Step 5: Solve for x
    x = 27,224,957,019.42/145,627.80
  6. Step 6: Final answer
    x = 186,948.90

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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.