Home / 127,567.29-191,077.56-103,761.84

Finding the Fourth Proportional to 127,567.29, 191,077.56 and 103,761.84

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Solution

The fourth proportional to 127,567.29, 191,077.56 and 103,761.84 is: 155,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,567.29 : 191,077.56 = 103,761.84 : x
  2. Step 2: Convert to fraction form
    127,567.29/191,077.56 = 103,761.84/x
  3. Step 3: Cross multiply
    127,567.29x = 191,077.56 × 103,761.84
  4. Step 4: Simplify right side
    127,567.29x = 19,826,559,208.31
  5. Step 5: Solve for x
    x = 19,826,559,208.31/127,567.29
  6. Step 6: Final answer
    x = 155,420.40

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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.