Home / 169,415.32-233,759.65-100,492.02

Finding the Fourth Proportional to 169,415.32, 233,759.65 and 100,492.02

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Solution

The fourth proportional to 169,415.32, 233,759.65 and 100,492.02 is: 138,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,415.32 : 233,759.65 = 100,492.02 : x
  2. Step 2: Convert to fraction form
    169,415.32/233,759.65 = 100,492.02/x
  3. Step 3: Cross multiply
    169,415.32x = 233,759.65 × 100,492.02
  4. Step 4: Simplify right side
    169,415.32x = 23,490,979,422.99
  5. Step 5: Solve for x
    x = 23,490,979,422.99/169,415.32
  6. Step 6: Final answer
    x = 138,659.12

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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.