Home / 161,775.38-223,266.69-97,265.67

Finding the Fourth Proportional to 161,775.38, 223,266.69 and 97,265.67

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Solution

The fourth proportional to 161,775.38, 223,266.69 and 97,265.67 is: 134,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,775.38 : 223,266.69 = 97,265.67 : x
  2. Step 2: Convert to fraction form
    161,775.38/223,266.69 = 97,265.67/x
  3. Step 3: Cross multiply
    161,775.38x = 223,266.69 × 97,265.67
  4. Step 4: Simplify right side
    161,775.38x = 21,716,184,191.53
  5. Step 5: Solve for x
    x = 21,716,184,191.53/161,775.38
  6. Step 6: Final answer
    x = 134,236.65

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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.