Home / 104,117.20-143,923.86-92,897.90

Finding the Fourth Proportional to 104,117.20, 143,923.86 and 92,897.90

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Solution

The fourth proportional to 104,117.20, 143,923.86 and 92,897.90 is: 128,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,117.20 : 143,923.86 = 92,897.90 : x
  2. Step 2: Convert to fraction form
    104,117.20/143,923.86 = 92,897.90/x
  3. Step 3: Cross multiply
    104,117.20x = 143,923.86 × 92,897.90
  4. Step 4: Simplify right side
    104,117.20x = 13,370,224,353.89
  5. Step 5: Solve for x
    x = 13,370,224,353.89/104,117.20
  6. Step 6: Final answer
    x = 128,415.14

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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.