Home / 147,971.56-221,988.06-49,473

Finding the Fourth Proportional to 147,971.56, 221,988.06 and 49,473

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Solution

The fourth proportional to 147,971.56, 221,988.06 and 49,473 is: 74,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,971.56 : 221,988.06 = 49,473 : x
  2. Step 2: Convert to fraction form
    147,971.56/221,988.06 = 49,473/x
  3. Step 3: Cross multiply
    147,971.56x = 221,988.06 × 49,473
  4. Step 4: Simplify right side
    147,971.56x = 10,982,415,292.38
  5. Step 5: Solve for x
    x = 10,982,415,292.38/147,971.56
  6. Step 6: Final answer
    x = 74,219.77

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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.