Home / 115,564.40-173,346.60-102,431.60

Finding the Fourth Proportional to 115,564.40, 173,346.60 and 102,431.60

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Solution

The fourth proportional to 115,564.40, 173,346.60 and 102,431.60 is: 153,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,564.40 : 173,346.60 = 102,431.60 : x
  2. Step 2: Convert to fraction form
    115,564.40/173,346.60 = 102,431.60/x
  3. Step 3: Cross multiply
    115,564.40x = 173,346.60 × 102,431.60
  4. Step 4: Simplify right side
    115,564.40x = 17,756,169,592.56
  5. Step 5: Solve for x
    x = 17,756,169,592.56/115,564.40
  6. Step 6: Final answer
    x = 153,647.40

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1.5x scale

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.