Home / 78,129.23-107,816.27-44,141.22

Finding the Fourth Proportional to 78,129.23, 107,816.27 and 44,141.22

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Solution

The fourth proportional to 78,129.23, 107,816.27 and 44,141.22 is: 60,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,129.23 : 107,816.27 = 44,141.22 : x
  2. Step 2: Convert to fraction form
    78,129.23/107,816.27 = 44,141.22/x
  3. Step 3: Cross multiply
    78,129.23x = 107,816.27 × 44,141.22
  4. Step 4: Simplify right side
    78,129.23x = 4,759,141,472.94
  5. Step 5: Solve for x
    x = 4,759,141,472.94/78,129.23
  6. Step 6: Final answer
    x = 60,913.72

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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.