Home / 96,838.24-145,261.47-30,279.61

Finding the Fourth Proportional to 96,838.24, 145,261.47 and 30,279.61

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Solution

The fourth proportional to 96,838.24, 145,261.47 and 30,279.61 is: 45,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,838.24 : 145,261.47 = 30,279.61 : x
  2. Step 2: Convert to fraction form
    96,838.24/145,261.47 = 30,279.61/x
  3. Step 3: Cross multiply
    96,838.24x = 145,261.47 × 30,279.61
  4. Step 4: Simplify right side
    96,838.24x = 4,398,460,659.63
  5. Step 5: Solve for x
    x = 4,398,460,659.63/96,838.24
  6. Step 6: Final answer
    x = 45,420.70

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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.