Home / 109,548.34-151,201.91-64,240.90

Finding the Fourth Proportional to 109,548.34, 151,201.91 and 64,240.90

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Solution

The fourth proportional to 109,548.34, 151,201.91 and 64,240.90 is: 88,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,548.34 : 151,201.91 = 64,240.90 : x
  2. Step 2: Convert to fraction form
    109,548.34/151,201.91 = 64,240.90/x
  3. Step 3: Cross multiply
    109,548.34x = 151,201.91 × 64,240.90
  4. Step 4: Simplify right side
    109,548.34x = 9,713,346,562.72
  5. Step 5: Solve for x
    x = 9,713,346,562.72/109,548.34
  6. Step 6: Final answer
    x = 88,667.22

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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.