Home / 161,075.28-222,395.10-100,673.04

Finding the Fourth Proportional to 161,075.28, 222,395.10 and 100,673.04

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Solution

The fourth proportional to 161,075.28, 222,395.10 and 100,673.04 is: 138,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,075.28 : 222,395.10 = 100,673.04 : x
  2. Step 2: Convert to fraction form
    161,075.28/222,395.10 = 100,673.04/x
  3. Step 3: Cross multiply
    161,075.28x = 222,395.10 × 100,673.04
  4. Step 4: Simplify right side
    161,075.28x = 22,389,190,798.10
  5. Step 5: Solve for x
    x = 22,389,190,798.10/161,075.28
  6. Step 6: Final answer
    x = 138,998.30

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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.