Home / 115,075.08-172,613.07-40,194.93

Finding the Fourth Proportional to 115,075.08, 172,613.07 and 40,194.93

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Solution

The fourth proportional to 115,075.08, 172,613.07 and 40,194.93 is: 60,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,075.08 : 172,613.07 = 40,194.93 : x
  2. Step 2: Convert to fraction form
    115,075.08/172,613.07 = 40,194.93/x
  3. Step 3: Cross multiply
    115,075.08x = 172,613.07 × 40,194.93
  4. Step 4: Simplify right side
    115,075.08x = 6,938,170,064.76
  5. Step 5: Solve for x
    x = 6,938,170,064.76/115,075.08
  6. Step 6: Final answer
    x = 60,292.55

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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.