Home / 149,855.85-224,870.18-56,428.65

Finding the Fourth Proportional to 149,855.85, 224,870.18 and 56,428.65

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Solution

The fourth proportional to 149,855.85, 224,870.18 and 56,428.65 is: 84,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,855.85 : 224,870.18 = 56,428.65 : x
  2. Step 2: Convert to fraction form
    149,855.85/224,870.18 = 56,428.65/x
  3. Step 3: Cross multiply
    149,855.85x = 224,870.18 × 56,428.65
  4. Step 4: Simplify right side
    149,855.85x = 12,689,120,400.51
  5. Step 5: Solve for x
    x = 12,689,120,400.51/149,855.85
  6. Step 6: Final answer
    x = 84,675.51

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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.