Home / 147,811.60-221,717.40-54,384.40

Finding the Fourth Proportional to 147,811.60, 221,717.40 and 54,384.40

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Solution

The fourth proportional to 147,811.60, 221,717.40 and 54,384.40 is: 81,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.60 : 221,717.40 = 54,384.40 : x
  2. Step 2: Convert to fraction form
    147,811.60/221,717.40 = 54,384.40/x
  3. Step 3: Cross multiply
    147,811.60x = 221,717.40 × 54,384.40
  4. Step 4: Simplify right side
    147,811.60x = 12,057,967,768.56
  5. Step 5: Solve for x
    x = 12,057,967,768.56/147,811.60
  6. Step 6: Final answer
    x = 81,576.60

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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.