Home / 124,643.86-172,091.01-76,967.26

Finding the Fourth Proportional to 124,643.86, 172,091.01 and 76,967.26

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Solution

The fourth proportional to 124,643.86, 172,091.01 and 76,967.26 is: 106,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,643.86 : 172,091.01 = 76,967.26 : x
  2. Step 2: Convert to fraction form
    124,643.86/172,091.01 = 76,967.26/x
  3. Step 3: Cross multiply
    124,643.86x = 172,091.01 × 76,967.26
  4. Step 4: Simplify right side
    124,643.86x = 13,245,373,510.33
  5. Step 5: Solve for x
    x = 13,245,373,510.33/124,643.86
  6. Step 6: Final answer
    x = 106,265.75

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1.5x scale

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.