Home / 184,864.15-255,112.52-99,981.21

Finding the Fourth Proportional to 184,864.15, 255,112.52 and 99,981.21

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Solution

The fourth proportional to 184,864.15, 255,112.52 and 99,981.21 is: 137,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,864.15 : 255,112.52 = 99,981.21 : x
  2. Step 2: Convert to fraction form
    184,864.15/255,112.52 = 99,981.21/x
  3. Step 3: Cross multiply
    184,864.15x = 255,112.52 × 99,981.21
  4. Step 4: Simplify right side
    184,864.15x = 25,506,458,435.75
  5. Step 5: Solve for x
    x = 25,506,458,435.75/184,864.15
  6. Step 6: Final answer
    x = 137,974.07

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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.