Home / 104,378.66-144,042.56-56,632.02

Finding the Fourth Proportional to 104,378.66, 144,042.56 and 56,632.02

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Solution

The fourth proportional to 104,378.66, 144,042.56 and 56,632.02 is: 78,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.66 : 144,042.56 = 56,632.02 : x
  2. Step 2: Convert to fraction form
    104,378.66/144,042.56 = 56,632.02/x
  3. Step 3: Cross multiply
    104,378.66x = 144,042.56 × 56,632.02
  4. Step 4: Simplify right side
    104,378.66x = 8,157,421,138.77
  5. Step 5: Solve for x
    x = 8,157,421,138.77/104,378.66
  6. Step 6: Final answer
    x = 78,152.19

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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.