Home / 161,075.94-222,264.66-89,446.20

Finding the Fourth Proportional to 161,075.94, 222,264.66 and 89,446.20

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Solution

The fourth proportional to 161,075.94, 222,264.66 and 89,446.20 is: 123,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,075.94 : 222,264.66 = 89,446.20 : x
  2. Step 2: Convert to fraction form
    161,075.94/222,264.66 = 89,446.20/x
  3. Step 3: Cross multiply
    161,075.94x = 222,264.66 × 89,446.20
  4. Step 4: Simplify right side
    161,075.94x = 19,880,729,231.29
  5. Step 5: Solve for x
    x = 19,880,729,231.29/161,075.94
  6. Step 6: Final answer
    x = 123,424.57

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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.