Home / 115,265.02-159,066.43-64,280.98

Finding the Fourth Proportional to 115,265.02, 159,066.43 and 64,280.98

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Solution

The fourth proportional to 115,265.02, 159,066.43 and 64,280.98 is: 88,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.02 : 159,066.43 = 64,280.98 : x
  2. Step 2: Convert to fraction form
    115,265.02/159,066.43 = 64,280.98/x
  3. Step 3: Cross multiply
    115,265.02x = 159,066.43 × 64,280.98
  4. Step 4: Simplify right side
    115,265.02x = 10,224,945,286.43
  5. Step 5: Solve for x
    x = 10,224,945,286.43/115,265.02
  6. Step 6: Final answer
    x = 88,708.14

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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.