Home / 105,415.26-145,479.51-60,717.66

Finding the Fourth Proportional to 105,415.26, 145,479.51 and 60,717.66

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Solution

The fourth proportional to 105,415.26, 145,479.51 and 60,717.66 is: 83,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,415.26 : 145,479.51 = 60,717.66 : x
  2. Step 2: Convert to fraction form
    105,415.26/145,479.51 = 60,717.66/x
  3. Step 3: Cross multiply
    105,415.26x = 145,479.51 × 60,717.66
  4. Step 4: Simplify right side
    105,415.26x = 8,833,175,425.15
  5. Step 5: Solve for x
    x = 8,833,175,425.15/105,415.26
  6. Step 6: Final answer
    x = 83,794.09

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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.