Home / 109,141.08-150,654.51-68,881.11

Finding the Fourth Proportional to 109,141.08, 150,654.51 and 68,881.11

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Solution

The fourth proportional to 109,141.08, 150,654.51 and 68,881.11 is: 95,081.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,141.08 : 150,654.51 = 68,881.11 : x
  2. Step 2: Convert to fraction form
    109,141.08/150,654.51 = 68,881.11/x
  3. Step 3: Cross multiply
    109,141.08x = 150,654.51 × 68,881.11
  4. Step 4: Simplify right side
    109,141.08x = 10,377,249,875.31
  5. Step 5: Solve for x
    x = 10,377,249,875.31/109,141.08
  6. Step 6: Final answer
    x = 95,081.06

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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.