Home / 115,435.74-173,088.80-40,535.04

Finding the Fourth Proportional to 115,435.74, 173,088.80 and 40,535.04

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Solution

The fourth proportional to 115,435.74, 173,088.80 and 40,535.04 is: 60,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,435.74 : 173,088.80 = 40,535.04 : x
  2. Step 2: Convert to fraction form
    115,435.74/173,088.80 = 40,535.04/x
  3. Step 3: Cross multiply
    115,435.74x = 173,088.80 × 40,535.04
  4. Step 4: Simplify right side
    115,435.74x = 7,016,161,431.55
  5. Step 5: Solve for x
    x = 7,016,161,431.55/115,435.74
  6. Step 6: Final answer
    x = 60,779.80

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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.