Home / 147,979.96-221,947.98-54,463.84

Finding the Fourth Proportional to 147,979.96, 221,947.98 and 54,463.84

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Solution

The fourth proportional to 147,979.96, 221,947.98 and 54,463.84 is: 81,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,979.96 : 221,947.98 = 54,463.84 : x
  2. Step 2: Convert to fraction form
    147,979.96/221,947.98 = 54,463.84/x
  3. Step 3: Cross multiply
    147,979.96x = 221,947.98 × 54,463.84
  4. Step 4: Simplify right side
    147,979.96x = 12,088,139,271.04
  5. Step 5: Solve for x
    x = 12,088,139,271.04/147,979.96
  6. Step 6: Final answer
    x = 81,687.68

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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.