Home / 236,041.51-325,733.17-128,612.43

Finding the Fourth Proportional to 236,041.51, 325,733.17 and 128,612.43

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Solution

The fourth proportional to 236,041.51, 325,733.17 and 128,612.43 is: 177,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,041.51 : 325,733.17 = 128,612.43 : x
  2. Step 2: Convert to fraction form
    236,041.51/325,733.17 = 128,612.43/x
  3. Step 3: Cross multiply
    236,041.51x = 325,733.17 × 128,612.43
  4. Step 4: Simplify right side
    236,041.51x = 41,893,334,525.30
  5. Step 5: Solve for x
    x = 41,893,334,525.30/236,041.51
  6. Step 6: Final answer
    x = 177,482.91

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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.