Home / 106,148.88-146,436.66-67,889.34

Finding the Fourth Proportional to 106,148.88, 146,436.66 and 67,889.34

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Solution

The fourth proportional to 106,148.88, 146,436.66 and 67,889.34 is: 93,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,148.88 : 146,436.66 = 67,889.34 : x
  2. Step 2: Convert to fraction form
    106,148.88/146,436.66 = 67,889.34/x
  3. Step 3: Cross multiply
    106,148.88x = 146,436.66 × 67,889.34
  4. Step 4: Simplify right side
    106,148.88x = 9,941,488,199.20
  5. Step 5: Solve for x
    x = 9,941,488,199.20/106,148.88
  6. Step 6: Final answer
    x = 93,656.08

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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.