Home / 152,847.36-210,928.19-83,936.07

Finding the Fourth Proportional to 152,847.36, 210,928.19 and 83,936.07

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Solution

The fourth proportional to 152,847.36, 210,928.19 and 83,936.07 is: 115,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,847.36 : 210,928.19 = 83,936.07 : x
  2. Step 2: Convert to fraction form
    152,847.36/210,928.19 = 83,936.07/x
  3. Step 3: Cross multiply
    152,847.36x = 210,928.19 × 83,936.07
  4. Step 4: Simplify right side
    152,847.36x = 17,704,482,901.13
  5. Step 5: Solve for x
    x = 17,704,482,901.13/152,847.36
  6. Step 6: Final answer
    x = 115,831.13

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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.