Home / 148,130.42-222,195.63-81,536.27

Finding the Fourth Proportional to 148,130.42, 222,195.63 and 81,536.27

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Solution

The fourth proportional to 148,130.42, 222,195.63 and 81,536.27 is: 122,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,130.42 : 222,195.63 = 81,536.27 : x
  2. Step 2: Convert to fraction form
    148,130.42/222,195.63 = 81,536.27/x
  3. Step 3: Cross multiply
    148,130.42x = 222,195.63 × 81,536.27
  4. Step 4: Simplify right side
    148,130.42x = 18,117,001,769.52
  5. Step 5: Solve for x
    x = 18,117,001,769.52/148,130.42
  6. Step 6: Final answer
    x = 122,304.40

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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.