Home / 115,437.40-173,172.30-36,543.40

Finding the Fourth Proportional to 115,437.40, 173,172.30 and 36,543.40

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Solution

The fourth proportional to 115,437.40, 173,172.30 and 36,543.40 is: 54,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,437.40 : 173,172.30 = 36,543.40 : x
  2. Step 2: Convert to fraction form
    115,437.40/173,172.30 = 36,543.40/x
  3. Step 3: Cross multiply
    115,437.40x = 173,172.30 × 36,543.40
  4. Step 4: Simplify right side
    115,437.40x = 6,328,304,627.82
  5. Step 5: Solve for x
    x = 6,328,304,627.82/115,437.40
  6. Step 6: Final answer
    x = 54,820.23

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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.