Home / 115,559.80-173,145.30-98,841.40

Finding the Fourth Proportional to 115,559.80, 173,145.30 and 98,841.40

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Solution

The fourth proportional to 115,559.80, 173,145.30 and 98,841.40 is: 148,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,559.80 : 173,145.30 = 98,841.40 : x
  2. Step 2: Convert to fraction form
    115,559.80/173,145.30 = 98,841.40/x
  3. Step 3: Cross multiply
    115,559.80x = 173,145.30 × 98,841.40
  4. Step 4: Simplify right side
    115,559.80x = 17,113,923,855.42
  5. Step 5: Solve for x
    x = 17,113,923,855.42/115,559.80
  6. Step 6: Final answer
    x = 148,095.82

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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.