Home / 102,305.43-153,433.85-39,102.35

Finding the Fourth Proportional to 102,305.43, 153,433.85 and 39,102.35

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Solution

The fourth proportional to 102,305.43, 153,433.85 and 39,102.35 is: 58,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,305.43 : 153,433.85 = 39,102.35 : x
  2. Step 2: Convert to fraction form
    102,305.43/153,433.85 = 39,102.35/x
  3. Step 3: Cross multiply
    102,305.43x = 153,433.85 × 39,102.35
  4. Step 4: Simplify right side
    102,305.43x = 5,999,623,141.87
  5. Step 5: Solve for x
    x = 5,999,623,141.87/102,305.43
  6. Step 6: Final answer
    x = 58,644.23

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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.