Home / 147,450.38-221,222.54-52,678.76

Finding the Fourth Proportional to 147,450.38, 221,222.54 and 52,678.76

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Solution

The fourth proportional to 147,450.38, 221,222.54 and 52,678.76 is: 79,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.38 : 221,222.54 = 52,678.76 : x
  2. Step 2: Convert to fraction form
    147,450.38/221,222.54 = 52,678.76/x
  3. Step 3: Cross multiply
    147,450.38x = 221,222.54 × 52,678.76
  4. Step 4: Simplify right side
    147,450.38x = 11,653,728,116.83
  5. Step 5: Solve for x
    x = 11,653,728,116.83/147,450.38
  6. Step 6: Final answer
    x = 79,034.92

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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.