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Finding the Fourth Proportional to 145,288.48, 200,500.02 and 87,927.12

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Solution

The fourth proportional to 145,288.48, 200,500.02 and 87,927.12 is: 121,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,288.48 : 200,500.02 = 87,927.12 : x
  2. Step 2: Convert to fraction form
    145,288.48/200,500.02 = 87,927.12/x
  3. Step 3: Cross multiply
    145,288.48x = 200,500.02 × 87,927.12
  4. Step 4: Simplify right side
    145,288.48x = 17,629,389,318.54
  5. Step 5: Solve for x
    x = 17,629,389,318.54/145,288.48
  6. Step 6: Final answer
    x = 121,340.59

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1.5x scale

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.