Home / 165,320.80-247,998.52-70,561.06

Finding the Fourth Proportional to 165,320.80, 247,998.52 and 70,561.06

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Solution

The fourth proportional to 165,320.80, 247,998.52 and 70,561.06 is: 105,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,320.80 : 247,998.52 = 70,561.06 : x
  2. Step 2: Convert to fraction form
    165,320.80/247,998.52 = 70,561.06/x
  3. Step 3: Cross multiply
    165,320.80x = 247,998.52 × 70,561.06
  4. Step 4: Simplify right side
    165,320.80x = 17,499,038,449.63
  5. Step 5: Solve for x
    x = 17,499,038,449.63/165,320.80
  6. Step 6: Final answer
    x = 105,848.98

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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.