Home / 152,816.60-210,902.46-89,150.60

Finding the Fourth Proportional to 152,816.60, 210,902.46 and 89,150.60

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Solution

The fourth proportional to 152,816.60, 210,902.46 and 89,150.60 is: 123,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,816.60 : 210,902.46 = 89,150.60 : x
  2. Step 2: Convert to fraction form
    152,816.60/210,902.46 = 89,150.60/x
  3. Step 3: Cross multiply
    152,816.60x = 210,902.46 × 89,150.60
  4. Step 4: Simplify right side
    152,816.60x = 18,802,080,850.48
  5. Step 5: Solve for x
    x = 18,802,080,850.48/152,816.60
  6. Step 6: Final answer
    x = 123,036.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.