Home / 108,314.36-149,413.74-62,987.36

Finding the Fourth Proportional to 108,314.36, 149,413.74 and 62,987.36

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Solution

The fourth proportional to 108,314.36, 149,413.74 and 62,987.36 is: 86,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,314.36 : 149,413.74 = 62,987.36 : x
  2. Step 2: Convert to fraction form
    108,314.36/149,413.74 = 62,987.36/x
  3. Step 3: Cross multiply
    108,314.36x = 149,413.74 × 62,987.36
  4. Step 4: Simplify right side
    108,314.36x = 9,411,177,030.33
  5. Step 5: Solve for x
    x = 9,411,177,030.33/108,314.36
  6. Step 6: Final answer
    x = 86,887.62

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1.5x scale

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.