Home / 160,569.32-221,080.12-136,322.33

Finding the Fourth Proportional to 160,569.32, 221,080.12 and 136,322.33

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Solution

The fourth proportional to 160,569.32, 221,080.12 and 136,322.33 is: 187,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,569.32 : 221,080.12 = 136,322.33 : x
  2. Step 2: Convert to fraction form
    160,569.32/221,080.12 = 136,322.33/x
  3. Step 3: Cross multiply
    160,569.32x = 221,080.12 × 136,322.33
  4. Step 4: Simplify right side
    160,569.32x = 30,138,155,969.68
  5. Step 5: Solve for x
    x = 30,138,155,969.68/160,569.32
  6. Step 6: Final answer
    x = 187,695.61

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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.