Home / 99,624.12-149,436.18-57,568.44

Finding the Fourth Proportional to 99,624.12, 149,436.18 and 57,568.44

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Solution

The fourth proportional to 99,624.12, 149,436.18 and 57,568.44 is: 86,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624.12 : 149,436.18 = 57,568.44 : x
  2. Step 2: Convert to fraction form
    99,624.12/149,436.18 = 57,568.44/x
  3. Step 3: Cross multiply
    99,624.12x = 149,436.18 × 57,568.44
  4. Step 4: Simplify right side
    99,624.12x = 8,602,807,762.16
  5. Step 5: Solve for x
    x = 8,602,807,762.16/99,624.12
  6. Step 6: Final answer
    x = 86,352.66

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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.