Home / 124,656.32-172,032.72-68,072.96

Finding the Fourth Proportional to 124,656.32, 172,032.72 and 68,072.96

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Solution

The fourth proportional to 124,656.32, 172,032.72 and 68,072.96 is: 93,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,656.32 : 172,032.72 = 68,072.96 : x
  2. Step 2: Convert to fraction form
    124,656.32/172,032.72 = 68,072.96/x
  3. Step 3: Cross multiply
    124,656.32x = 172,032.72 × 68,072.96
  4. Step 4: Simplify right side
    124,656.32x = 11,710,776,467.25
  5. Step 5: Solve for x
    x = 11,710,776,467.25/124,656.32
  6. Step 6: Final answer
    x = 93,944.51

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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.