Home / 136,875.39-205,313.09-51,502.30

Finding the Fourth Proportional to 136,875.39, 205,313.09 and 51,502.30

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Solution

The fourth proportional to 136,875.39, 205,313.09 and 51,502.30 is: 77,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,875.39 : 205,313.09 = 51,502.30 : x
  2. Step 2: Convert to fraction form
    136,875.39/205,313.09 = 51,502.30/x
  3. Step 3: Cross multiply
    136,875.39x = 205,313.09 × 51,502.30
  4. Step 4: Simplify right side
    136,875.39x = 10,574,096,097.60
  5. Step 5: Solve for x
    x = 10,574,096,097.60/136,875.39
  6. Step 6: Final answer
    x = 77,253.45

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1.5x scale

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.