Home / 148,225.10-222,009.60-121,981.10

Finding the Fourth Proportional to 148,225.10, 222,009.60 and 121,981.10

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Solution

The fourth proportional to 148,225.10, 222,009.60 and 121,981.10 is: 182,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,225.10 : 222,009.60 = 121,981.10 : x
  2. Step 2: Convert to fraction form
    148,225.10/222,009.60 = 121,981.10/x
  3. Step 3: Cross multiply
    148,225.10x = 222,009.60 × 121,981.10
  4. Step 4: Simplify right side
    148,225.10x = 27,080,975,218.56
  5. Step 5: Solve for x
    x = 27,080,975,218.56/148,225.10
  6. Step 6: Final answer
    x = 182,701.68

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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.