Home / 145,112.16-200,229.12-88,541.76

Finding the Fourth Proportional to 145,112.16, 200,229.12 and 88,541.76

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Solution

The fourth proportional to 145,112.16, 200,229.12 and 88,541.76 is: 122,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,112.16 : 200,229.12 = 88,541.76 : x
  2. Step 2: Convert to fraction form
    145,112.16/200,229.12 = 88,541.76/x
  3. Step 3: Cross multiply
    145,112.16x = 200,229.12 × 88,541.76
  4. Step 4: Simplify right side
    145,112.16x = 17,728,638,688.05
  5. Step 5: Solve for x
    x = 17,728,638,688.05/145,112.16
  6. Step 6: Final answer
    x = 122,171.97

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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.