Home / 136,088.32-187,808.76-75,660.16

Finding the Fourth Proportional to 136,088.32, 187,808.76 and 75,660.16

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Solution

The fourth proportional to 136,088.32, 187,808.76 and 75,660.16 is: 104,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.32 : 187,808.76 = 75,660.16 : x
  2. Step 2: Convert to fraction form
    136,088.32/187,808.76 = 75,660.16/x
  3. Step 3: Cross multiply
    136,088.32x = 187,808.76 × 75,660.16
  4. Step 4: Simplify right side
    136,088.32x = 14,209,640,831.00
  5. Step 5: Solve for x
    x = 14,209,640,831.00/136,088.32
  6. Step 6: Final answer
    x = 104,414.84

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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.