Home / 161,762.96-223,206.68-90,141.14

Finding the Fourth Proportional to 161,762.96, 223,206.68 and 90,141.14

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Solution

The fourth proportional to 161,762.96, 223,206.68 and 90,141.14 is: 124,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762.96 : 223,206.68 = 90,141.14 : x
  2. Step 2: Convert to fraction form
    161,762.96/223,206.68 = 90,141.14/x
  3. Step 3: Cross multiply
    161,762.96x = 223,206.68 × 90,141.14
  4. Step 4: Simplify right side
    161,762.96x = 20,120,103,024.08
  5. Step 5: Solve for x
    x = 20,120,103,024.08/161,762.96
  6. Step 6: Final answer
    x = 124,380.16

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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.