Home / 147,912.50-204,133.61-87,502.59

Finding the Fourth Proportional to 147,912.50, 204,133.61 and 87,502.59

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Solution

The fourth proportional to 147,912.50, 204,133.61 and 87,502.59 is: 120,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,912.50 : 204,133.61 = 87,502.59 : x
  2. Step 2: Convert to fraction form
    147,912.50/204,133.61 = 87,502.59/x
  3. Step 3: Cross multiply
    147,912.50x = 204,133.61 × 87,502.59
  4. Step 4: Simplify right side
    147,912.50x = 17,862,219,581.05
  5. Step 5: Solve for x
    x = 17,862,219,581.05/147,912.50
  6. Step 6: Final answer
    x = 120,762.07

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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.