Home / 124,684.85-172,066.19-70,973.32

Finding the Fourth Proportional to 124,684.85, 172,066.19 and 70,973.32

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Solution

The fourth proportional to 124,684.85, 172,066.19 and 70,973.32 is: 97,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,684.85 : 172,066.19 = 70,973.32 : x
  2. Step 2: Convert to fraction form
    124,684.85/172,066.19 = 70,973.32/x
  3. Step 3: Cross multiply
    124,684.85x = 172,066.19 × 70,973.32
  4. Step 4: Simplify right side
    124,684.85x = 12,212,108,764.05
  5. Step 5: Solve for x
    x = 12,212,108,764.05/124,684.85
  6. Step 6: Final answer
    x = 97,943.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.