Home / 109,221.39-163,853.96-34,360.38

Finding the Fourth Proportional to 109,221.39, 163,853.96 and 34,360.38

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Solution

The fourth proportional to 109,221.39, 163,853.96 and 34,360.38 is: 51,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,221.39 : 163,853.96 = 34,360.38 : x
  2. Step 2: Convert to fraction form
    109,221.39/163,853.96 = 34,360.38/x
  3. Step 3: Cross multiply
    109,221.39x = 163,853.96 × 34,360.38
  4. Step 4: Simplify right side
    109,221.39x = 5,630,084,330.10
  5. Step 5: Solve for x
    x = 5,630,084,330.10/109,221.39
  6. Step 6: Final answer
    x = 51,547.45

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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.