Home / 125,130.51-172,682.37-68,538.24

Finding the Fourth Proportional to 125,130.51, 172,682.37 and 68,538.24

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Solution

The fourth proportional to 125,130.51, 172,682.37 and 68,538.24 is: 94,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,130.51 : 172,682.37 = 68,538.24 : x
  2. Step 2: Convert to fraction form
    125,130.51/172,682.37 = 68,538.24/x
  3. Step 3: Cross multiply
    125,130.51x = 172,682.37 × 68,538.24
  4. Step 4: Simplify right side
    125,130.51x = 11,835,345,718.83
  5. Step 5: Solve for x
    x = 11,835,345,718.83/125,130.51
  6. Step 6: Final answer
    x = 94,584.01

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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.