Home / 109,030.80-163,546.20-73,601.40

Finding the Fourth Proportional to 109,030.80, 163,546.20 and 73,601.40

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Solution

The fourth proportional to 109,030.80, 163,546.20 and 73,601.40 is: 110,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,030.80 : 163,546.20 = 73,601.40 : x
  2. Step 2: Convert to fraction form
    109,030.80/163,546.20 = 73,601.40/x
  3. Step 3: Cross multiply
    109,030.80x = 163,546.20 × 73,601.40
  4. Step 4: Simplify right side
    109,030.80x = 12,037,229,284.68
  5. Step 5: Solve for x
    x = 12,037,229,284.68/109,030.80
  6. Step 6: Final answer
    x = 110,402.10

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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.