Home / 118,985.55-164,154.78-75,966.66

Finding the Fourth Proportional to 118,985.55, 164,154.78 and 75,966.66

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Solution

The fourth proportional to 118,985.55, 164,154.78 and 75,966.66 is: 104,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,985.55 : 164,154.78 = 75,966.66 : x
  2. Step 2: Convert to fraction form
    118,985.55/164,154.78 = 75,966.66/x
  3. Step 3: Cross multiply
    118,985.55x = 164,154.78 × 75,966.66
  4. Step 4: Simplify right side
    118,985.55x = 12,470,290,359.63
  5. Step 5: Solve for x
    x = 12,470,290,359.63/118,985.55
  6. Step 6: Final answer
    x = 104,805.08

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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.