Home / 106,172.39-159,257.36-42,975.31

Finding the Fourth Proportional to 106,172.39, 159,257.36 and 42,975.31

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Solution

The fourth proportional to 106,172.39, 159,257.36 and 42,975.31 is: 64,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,172.39 : 159,257.36 = 42,975.31 : x
  2. Step 2: Convert to fraction form
    106,172.39/159,257.36 = 42,975.31/x
  3. Step 3: Cross multiply
    106,172.39x = 159,257.36 × 42,975.31
  4. Step 4: Simplify right side
    106,172.39x = 6,844,134,125.08
  5. Step 5: Solve for x
    x = 6,844,134,125.08/106,172.39
  6. Step 6: Final answer
    x = 64,462.47

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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.