Home / 109,200.16-163,799.24-30,314.40

Finding the Fourth Proportional to 109,200.16, 163,799.24 and 30,314.40

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Solution

The fourth proportional to 109,200.16, 163,799.24 and 30,314.40 is: 45,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,200.16 : 163,799.24 = 30,314.40 : x
  2. Step 2: Convert to fraction form
    109,200.16/163,799.24 = 30,314.40/x
  3. Step 3: Cross multiply
    109,200.16x = 163,799.24 × 30,314.40
  4. Step 4: Simplify right side
    109,200.16x = 4,965,475,681.06
  5. Step 5: Solve for x
    x = 4,965,475,681.06/109,200.16
  6. Step 6: Final answer
    x = 45,471.32

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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.