Home / 102,426.16-153,734.40-52,541.92

Finding the Fourth Proportional to 102,426.16, 153,734.40 and 52,541.92

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Solution

The fourth proportional to 102,426.16, 153,734.40 and 52,541.92 is: 78,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,426.16 : 153,734.40 = 52,541.92 : x
  2. Step 2: Convert to fraction form
    102,426.16/153,734.40 = 52,541.92/x
  3. Step 3: Cross multiply
    102,426.16x = 153,734.40 × 52,541.92
  4. Step 4: Simplify right side
    102,426.16x = 8,077,500,546.05
  5. Step 5: Solve for x
    x = 8,077,500,546.05/102,426.16
  6. Step 6: Final answer
    x = 78,861.69

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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.