Home / 109,238.02-163,856.95-30,352.21

Finding the Fourth Proportional to 109,238.02, 163,856.95 and 30,352.21

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Solution

The fourth proportional to 109,238.02, 163,856.95 and 30,352.21 is: 45,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,238.02 : 163,856.95 = 30,352.21 : x
  2. Step 2: Convert to fraction form
    109,238.02/163,856.95 = 30,352.21/x
  3. Step 3: Cross multiply
    109,238.02x = 163,856.95 × 30,352.21
  4. Step 4: Simplify right side
    109,238.02x = 4,973,419,585.31
  5. Step 5: Solve for x
    x = 4,973,419,585.31/109,238.02
  6. Step 6: Final answer
    x = 45,528.29

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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.