Home / 147,855.38-221,870.91-54,426.74

Finding the Fourth Proportional to 147,855.38, 221,870.91 and 54,426.74

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Solution

The fourth proportional to 147,855.38, 221,870.91 and 54,426.74 is: 81,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,855.38 : 221,870.91 = 54,426.74 : x
  2. Step 2: Convert to fraction form
    147,855.38/221,870.91 = 54,426.74/x
  3. Step 3: Cross multiply
    147,855.38x = 221,870.91 × 54,426.74
  4. Step 4: Simplify right side
    147,855.38x = 12,075,710,332.13
  5. Step 5: Solve for x
    x = 12,075,710,332.13/147,855.38
  6. Step 6: Final answer
    x = 81,672.44

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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.