Home / 109,619.88-151,275.46-59,319.08

Finding the Fourth Proportional to 109,619.88, 151,275.46 and 59,319.08

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Solution

The fourth proportional to 109,619.88, 151,275.46 and 59,319.08 is: 81,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,619.88 : 151,275.46 = 59,319.08 : x
  2. Step 2: Convert to fraction form
    109,619.88/151,275.46 = 59,319.08/x
  3. Step 3: Cross multiply
    109,619.88x = 151,275.46 × 59,319.08
  4. Step 4: Simplify right side
    109,619.88x = 8,973,521,113.78
  5. Step 5: Solve for x
    x = 8,973,521,113.78/109,619.88
  6. Step 6: Final answer
    x = 81,860.34

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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.