Home / 109,465.10-151,076.82-64,161.12

Finding the Fourth Proportional to 109,465.10, 151,076.82 and 64,161.12

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Solution

The fourth proportional to 109,465.10, 151,076.82 and 64,161.12 is: 88,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,465.10 : 151,076.82 = 64,161.12 : x
  2. Step 2: Convert to fraction form
    109,465.10/151,076.82 = 64,161.12/x
  3. Step 3: Cross multiply
    109,465.10x = 151,076.82 × 64,161.12
  4. Step 4: Simplify right side
    109,465.10x = 9,693,257,977.24
  5. Step 5: Solve for x
    x = 9,693,257,977.24/109,465.10
  6. Step 6: Final answer
    x = 88,551.13

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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.