Home / 106,168.37-159,308.22-42,995.21

Finding the Fourth Proportional to 106,168.37, 159,308.22 and 42,995.21

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Solution

The fourth proportional to 106,168.37, 159,308.22 and 42,995.21 is: 64,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,168.37 : 159,308.22 = 42,995.21 : x
  2. Step 2: Convert to fraction form
    106,168.37/159,308.22 = 42,995.21/x
  3. Step 3: Cross multiply
    106,168.37x = 159,308.22 × 42,995.21
  4. Step 4: Simplify right side
    106,168.37x = 6,849,489,496.47
  5. Step 5: Solve for x
    x = 6,849,489,496.47/106,168.37
  6. Step 6: Final answer
    x = 64,515.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.