Home / 114,985.55-172,507.03-40,106.77

Finding the Fourth Proportional to 114,985.55, 172,507.03 and 40,106.77

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Solution

The fourth proportional to 114,985.55, 172,507.03 and 40,106.77 is: 60,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,985.55 : 172,507.03 = 40,106.77 : x
  2. Step 2: Convert to fraction form
    114,985.55/172,507.03 = 40,106.77/x
  3. Step 3: Cross multiply
    114,985.55x = 172,507.03 × 40,106.77
  4. Step 4: Simplify right side
    114,985.55x = 6,918,699,244.06
  5. Step 5: Solve for x
    x = 6,918,699,244.06/114,985.55
  6. Step 6: Final answer
    x = 60,170.16

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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.