Home / 136,875.64-205,313.46-51,502.55

Finding the Fourth Proportional to 136,875.64, 205,313.46 and 51,502.55

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Solution

The fourth proportional to 136,875.64, 205,313.46 and 51,502.55 is: 77,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,875.64 : 205,313.46 = 51,502.55 : x
  2. Step 2: Convert to fraction form
    136,875.64/205,313.46 = 51,502.55/x
  3. Step 3: Cross multiply
    136,875.64x = 205,313.46 × 51,502.55
  4. Step 4: Simplify right side
    136,875.64x = 10,574,167,252.61
  5. Step 5: Solve for x
    x = 10,574,167,252.61/136,875.64
  6. Step 6: Final answer
    x = 77,253.83

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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.