Home / 163,841.68-226,138.40-107,220.25

Finding the Fourth Proportional to 163,841.68, 226,138.40 and 107,220.25

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Solution

The fourth proportional to 163,841.68, 226,138.40 and 107,220.25 is: 147,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,841.68 : 226,138.40 = 107,220.25 : x
  2. Step 2: Convert to fraction form
    163,841.68/226,138.40 = 107,220.25/x
  3. Step 3: Cross multiply
    163,841.68x = 226,138.40 × 107,220.25
  4. Step 4: Simplify right side
    163,841.68x = 24,246,615,782.60
  5. Step 5: Solve for x
    x = 24,246,615,782.60/163,841.68
  6. Step 6: Final answer
    x = 147,988.08

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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.