Home / 148,130.96-222,196.48-81,536.84

Finding the Fourth Proportional to 148,130.96, 222,196.48 and 81,536.84

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Solution

The fourth proportional to 148,130.96, 222,196.48 and 81,536.84 is: 122,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,130.96 : 222,196.48 = 81,536.84 : x
  2. Step 2: Convert to fraction form
    148,130.96/222,196.48 = 81,536.84/x
  3. Step 3: Cross multiply
    148,130.96x = 222,196.48 × 81,536.84
  4. Step 4: Simplify right side
    148,130.96x = 18,117,198,838.32
  5. Step 5: Solve for x
    x = 18,117,198,838.32/148,130.96
  6. Step 6: Final answer
    x = 122,305.28

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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.