Home / 165,373.09-247,914-65,603.35

Finding the Fourth Proportional to 165,373.09, 247,914 and 65,603.35

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Solution

The fourth proportional to 165,373.09, 247,914 and 65,603.35 is: 98,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,373.09 : 247,914 = 65,603.35 : x
  2. Step 2: Convert to fraction form
    165,373.09/247,914 = 65,603.35/x
  3. Step 3: Cross multiply
    165,373.09x = 247,914 × 65,603.35
  4. Step 4: Simplify right side
    165,373.09x = 16,263,988,911.90
  5. Step 5: Solve for x
    x = 16,263,988,911.90/165,373.09
  6. Step 6: Final answer
    x = 98,347.25

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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.