Home / 136,087.32-187,807.38-75,659.16

Finding the Fourth Proportional to 136,087.32, 187,807.38 and 75,659.16

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Solution

The fourth proportional to 136,087.32, 187,807.38 and 75,659.16 is: 104,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,087.32 : 187,807.38 = 75,659.16 : x
  2. Step 2: Convert to fraction form
    136,087.32/187,807.38 = 75,659.16/x
  3. Step 3: Cross multiply
    136,087.32x = 187,807.38 × 75,659.16
  4. Step 4: Simplify right side
    136,087.32x = 14,209,348,612.60
  5. Step 5: Solve for x
    x = 14,209,348,612.60/136,087.32
  6. Step 6: Final answer
    x = 104,413.46

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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.