Home / 99,467.52-149,146.74-39,435.18

Finding the Fourth Proportional to 99,467.52, 149,146.74 and 39,435.18

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Solution

The fourth proportional to 99,467.52, 149,146.74 and 39,435.18 is: 59,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,467.52 : 149,146.74 = 39,435.18 : x
  2. Step 2: Convert to fraction form
    99,467.52/149,146.74 = 39,435.18/x
  3. Step 3: Cross multiply
    99,467.52x = 149,146.74 × 39,435.18
  4. Step 4: Simplify right side
    99,467.52x = 5,881,627,595.40
  5. Step 5: Solve for x
    x = 5,881,627,595.40/99,467.52
  6. Step 6: Final answer
    x = 59,131.14

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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.