Home / 109,301.90-163,952.85-39,188.30

Finding the Fourth Proportional to 109,301.90, 163,952.85 and 39,188.30

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Solution

The fourth proportional to 109,301.90, 163,952.85 and 39,188.30 is: 58,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,301.90 : 163,952.85 = 39,188.30 : x
  2. Step 2: Convert to fraction form
    109,301.90/163,952.85 = 39,188.30/x
  3. Step 3: Cross multiply
    109,301.90x = 163,952.85 × 39,188.30
  4. Step 4: Simplify right side
    109,301.90x = 6,425,033,471.66
  5. Step 5: Solve for x
    x = 6,425,033,471.66/109,301.90
  6. Step 6: Final answer
    x = 58,782.45

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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.