Home / 99,384.39-149,046.24-28,312.83

Finding the Fourth Proportional to 99,384.39, 149,046.24 and 28,312.83

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Solution

The fourth proportional to 99,384.39, 149,046.24 and 28,312.83 is: 42,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,384.39 : 149,046.24 = 28,312.83 : x
  2. Step 2: Convert to fraction form
    99,384.39/149,046.24 = 28,312.83/x
  3. Step 3: Cross multiply
    99,384.39x = 149,046.24 × 28,312.83
  4. Step 4: Simplify right side
    99,384.39x = 4,219,920,855.26
  5. Step 5: Solve for x
    x = 4,219,920,855.26/99,384.39
  6. Step 6: Final answer
    x = 42,460.60

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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.