Home / 189,640.02-284,572.25-69,781.14

Finding the Fourth Proportional to 189,640.02, 284,572.25 and 69,781.14

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Solution

The fourth proportional to 189,640.02, 284,572.25 and 69,781.14 is: 104,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,640.02 : 284,572.25 = 69,781.14 : x
  2. Step 2: Convert to fraction form
    189,640.02/284,572.25 = 69,781.14/x
  3. Step 3: Cross multiply
    189,640.02x = 284,572.25 × 69,781.14
  4. Step 4: Simplify right side
    189,640.02x = 19,857,776,017.37
  5. Step 5: Solve for x
    x = 19,857,776,017.37/189,640.02
  6. Step 6: Final answer
    x = 104,713.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.