Home / 148,287.06-222,463.41-81,692.91

Finding the Fourth Proportional to 148,287.06, 222,463.41 and 81,692.91

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Solution

The fourth proportional to 148,287.06, 222,463.41 and 81,692.91 is: 122,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.06 : 222,463.41 = 81,692.91 : x
  2. Step 2: Convert to fraction form
    148,287.06/222,463.41 = 81,692.91/x
  3. Step 3: Cross multiply
    148,287.06x = 222,463.41 × 81,692.91
  4. Step 4: Simplify right side
    148,287.06x = 18,173,683,331.42
  5. Step 5: Solve for x
    x = 18,173,683,331.42/148,287.06
  6. Step 6: Final answer
    x = 122,557.45

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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.