Home / 148,019.54-221,995.80-67,980.56

Finding the Fourth Proportional to 148,019.54, 221,995.80 and 67,980.56

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Solution

The fourth proportional to 148,019.54, 221,995.80 and 67,980.56 is: 101,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.54 : 221,995.80 = 67,980.56 : x
  2. Step 2: Convert to fraction form
    148,019.54/221,995.80 = 67,980.56/x
  3. Step 3: Cross multiply
    148,019.54x = 221,995.80 × 67,980.56
  4. Step 4: Simplify right side
    148,019.54x = 15,091,397,691.67
  5. Step 5: Solve for x
    x = 15,091,397,691.67/148,019.54
  6. Step 6: Final answer
    x = 101,955.45

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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.