Home / 115,412.70-173,075.85-40,503.90

Finding the Fourth Proportional to 115,412.70, 173,075.85 and 40,503.90

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Solution

The fourth proportional to 115,412.70, 173,075.85 and 40,503.90 is: 60,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.70 : 173,075.85 = 40,503.90 : x
  2. Step 2: Convert to fraction form
    115,412.70/173,075.85 = 40,503.90/x
  3. Step 3: Cross multiply
    115,412.70x = 173,075.85 × 40,503.90
  4. Step 4: Simplify right side
    115,412.70x = 7,010,246,920.82
  5. Step 5: Solve for x
    x = 7,010,246,920.82/115,412.70
  6. Step 6: Final answer
    x = 60,740.69

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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.