Home / 98,969.12-148,430.91-58,999.39

Finding the Fourth Proportional to 98,969.12, 148,430.91 and 58,999.39

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Solution

The fourth proportional to 98,969.12, 148,430.91 and 58,999.39 is: 88,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,969.12 : 148,430.91 = 58,999.39 : x
  2. Step 2: Convert to fraction form
    98,969.12/148,430.91 = 58,999.39/x
  3. Step 3: Cross multiply
    98,969.12x = 148,430.91 × 58,999.39
  4. Step 4: Simplify right side
    98,969.12x = 8,757,333,147.14
  5. Step 5: Solve for x
    x = 8,757,333,147.14/98,969.12
  6. Step 6: Final answer
    x = 88,485.51

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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.