Home / 161,943.28-223,482.12-90,327.96

Finding the Fourth Proportional to 161,943.28, 223,482.12 and 90,327.96

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Solution

The fourth proportional to 161,943.28, 223,482.12 and 90,327.96 is: 124,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,943.28 : 223,482.12 = 90,327.96 : x
  2. Step 2: Convert to fraction form
    161,943.28/223,482.12 = 90,327.96/x
  3. Step 3: Cross multiply
    161,943.28x = 223,482.12 × 90,327.96
  4. Step 4: Simplify right side
    161,943.28x = 20,186,683,996.08
  5. Step 5: Solve for x
    x = 20,186,683,996.08/161,943.28
  6. Step 6: Final answer
    x = 124,652.80

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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.