Home / 148,215.54-222,126.47-85,065.91

Finding the Fourth Proportional to 148,215.54, 222,126.47 and 85,065.91

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Solution

The fourth proportional to 148,215.54, 222,126.47 and 85,065.91 is: 127,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,215.54 : 222,126.47 = 85,065.91 : x
  2. Step 2: Convert to fraction form
    148,215.54/222,126.47 = 85,065.91/x
  3. Step 3: Cross multiply
    148,215.54x = 222,126.47 × 85,065.91
  4. Step 4: Simplify right side
    148,215.54x = 18,895,390,305.64
  5. Step 5: Solve for x
    x = 18,895,390,305.64/148,215.54
  6. Step 6: Final answer
    x = 127,485.89

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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.