Home / 108,985.19-150,413.00-61,237.50

Finding the Fourth Proportional to 108,985.19, 150,413.00 and 61,237.50

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Solution

The fourth proportional to 108,985.19, 150,413.00 and 61,237.50 is: 84,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,985.19 : 150,413.00 = 61,237.50 : x
  2. Step 2: Convert to fraction form
    108,985.19/150,413.00 = 61,237.50/x
  3. Step 3: Cross multiply
    108,985.19x = 150,413.00 × 61,237.50
  4. Step 4: Simplify right side
    108,985.19x = 9,210,915,781.31
  5. Step 5: Solve for x
    x = 9,210,915,781.31/108,985.19
  6. Step 6: Final answer
    x = 84,515.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.