Home / 110,736.45-152,763.17-72,479.16

Finding the Fourth Proportional to 110,736.45, 152,763.17 and 72,479.16

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Solution

The fourth proportional to 110,736.45, 152,763.17 and 72,479.16 is: 99,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.45 : 152,763.17 = 72,479.16 : x
  2. Step 2: Convert to fraction form
    110,736.45/152,763.17 = 72,479.16/x
  3. Step 3: Cross multiply
    110,736.45x = 152,763.17 × 72,479.16
  4. Step 4: Simplify right side
    110,736.45x = 11,072,145,878.14
  5. Step 5: Solve for x
    x = 11,072,145,878.14/110,736.45
  6. Step 6: Final answer
    x = 99,986.46

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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.