Home / 136,278.83-188,070.25-75,852.02

Finding the Fourth Proportional to 136,278.83, 188,070.25 and 75,852.02

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Solution

The fourth proportional to 136,278.83, 188,070.25 and 75,852.02 is: 104,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,278.83 : 188,070.25 = 75,852.02 : x
  2. Step 2: Convert to fraction form
    136,278.83/188,070.25 = 75,852.02/x
  3. Step 3: Cross multiply
    136,278.83x = 188,070.25 × 75,852.02
  4. Step 4: Simplify right side
    136,278.83x = 14,265,508,364.41
  5. Step 5: Solve for x
    x = 14,265,508,364.41/136,278.83
  6. Step 6: Final answer
    x = 104,678.83

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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.