Home / 147,376.05-221,063.43-42,195

Finding the Fourth Proportional to 147,376.05, 221,063.43 and 42,195

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Solution

The fourth proportional to 147,376.05, 221,063.43 and 42,195 is: 63,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,376.05 : 221,063.43 = 42,195 : x
  2. Step 2: Convert to fraction form
    147,376.05/221,063.43 = 42,195/x
  3. Step 3: Cross multiply
    147,376.05x = 221,063.43 × 42,195
  4. Step 4: Simplify right side
    147,376.05x = 9,327,771,428.85
  5. Step 5: Solve for x
    x = 9,327,771,428.85/147,376.05
  6. Step 6: Final answer
    x = 63,292.32

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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.