Home / 165,127.19-247,627.87-70,297.52

Finding the Fourth Proportional to 165,127.19, 247,627.87 and 70,297.52

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Solution

The fourth proportional to 165,127.19, 247,627.87 and 70,297.52 is: 105,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,127.19 : 247,627.87 = 70,297.52 : x
  2. Step 2: Convert to fraction form
    165,127.19/247,627.87 = 70,297.52/x
  3. Step 3: Cross multiply
    165,127.19x = 247,627.87 × 70,297.52
  4. Step 4: Simplify right side
    165,127.19x = 17,407,623,730.00
  5. Step 5: Solve for x
    x = 17,407,623,730.00/165,127.19
  6. Step 6: Final answer
    x = 105,419.49

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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.