Home / 115,277.34-159,082.43-64,290.14

Finding the Fourth Proportional to 115,277.34, 159,082.43 and 64,290.14

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Solution

The fourth proportional to 115,277.34, 159,082.43 and 64,290.14 is: 88,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.34 : 159,082.43 = 64,290.14 : x
  2. Step 2: Convert to fraction form
    115,277.34/159,082.43 = 64,290.14/x
  3. Step 3: Cross multiply
    115,277.34x = 159,082.43 × 64,290.14
  4. Step 4: Simplify right side
    115,277.34x = 10,227,430,579.38
  5. Step 5: Solve for x
    x = 10,227,430,579.38/115,277.34
  6. Step 6: Final answer
    x = 88,720.22

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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.