Home / 109,220.40-150,770.63-73,431.16

Finding the Fourth Proportional to 109,220.40, 150,770.63 and 73,431.16

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Solution

The fourth proportional to 109,220.40, 150,770.63 and 73,431.16 is: 101,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220.40 : 150,770.63 = 73,431.16 : x
  2. Step 2: Convert to fraction form
    109,220.40/150,770.63 = 73,431.16/x
  3. Step 3: Cross multiply
    109,220.40x = 150,770.63 × 73,431.16
  4. Step 4: Simplify right side
    109,220.40x = 11,071,262,061.48
  5. Step 5: Solve for x
    x = 11,071,262,061.48/109,220.40
  6. Step 6: Final answer
    x = 101,366.25

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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.