Home / 123,236.21-170,073.84-69,501.62

Finding the Fourth Proportional to 123,236.21, 170,073.84 and 69,501.62

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Solution

The fourth proportional to 123,236.21, 170,073.84 and 69,501.62 is: 95,916.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,236.21 : 170,073.84 = 69,501.62 : x
  2. Step 2: Convert to fraction form
    123,236.21/170,073.84 = 69,501.62/x
  3. Step 3: Cross multiply
    123,236.21x = 170,073.84 × 69,501.62
  4. Step 4: Simplify right side
    123,236.21x = 11,820,406,549.25
  5. Step 5: Solve for x
    x = 11,820,406,549.25/123,236.21
  6. Step 6: Final answer
    x = 95,916.67

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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.