Home / 109,210.26-150,756.64-73,421.02

Finding the Fourth Proportional to 109,210.26, 150,756.64 and 73,421.02

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Solution

The fourth proportional to 109,210.26, 150,756.64 and 73,421.02 is: 101,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,210.26 : 150,756.64 = 73,421.02 : x
  2. Step 2: Convert to fraction form
    109,210.26/150,756.64 = 73,421.02/x
  3. Step 3: Cross multiply
    109,210.26x = 150,756.64 × 73,421.02
  4. Step 4: Simplify right side
    109,210.26x = 11,068,705,850.45
  5. Step 5: Solve for x
    x = 11,068,705,850.45/109,210.26
  6. Step 6: Final answer
    x = 101,352.25

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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.