Home / 101,747.45-140,411.46-56,432.36

Finding the Fourth Proportional to 101,747.45, 140,411.46 and 56,432.36

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Solution

The fourth proportional to 101,747.45, 140,411.46 and 56,432.36 is: 77,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.45 : 140,411.46 = 56,432.36 : x
  2. Step 2: Convert to fraction form
    101,747.45/140,411.46 = 56,432.36/x
  3. Step 3: Cross multiply
    101,747.45x = 140,411.46 × 56,432.36
  4. Step 4: Simplify right side
    101,747.45x = 7,923,749,356.79
  5. Step 5: Solve for x
    x = 7,923,749,356.79/101,747.45
  6. Step 6: Final answer
    x = 77,876.64

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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.