Home / 127,746.77-191,439.47-70,845.86

Finding the Fourth Proportional to 127,746.77, 191,439.47 and 70,845.86

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Solution

The fourth proportional to 127,746.77, 191,439.47 and 70,845.86 is: 106,168.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.77 : 191,439.47 = 70,845.86 : x
  2. Step 2: Convert to fraction form
    127,746.77/191,439.47 = 70,845.86/x
  3. Step 3: Cross multiply
    127,746.77x = 191,439.47 × 70,845.86
  4. Step 4: Simplify right side
    127,746.77x = 13,562,693,110.01
  5. Step 5: Solve for x
    x = 13,562,693,110.01/127,746.77
  6. Step 6: Final answer
    x = 106,168.58

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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.