Home / 133,827.36-184,664.74-76,470.40

Finding the Fourth Proportional to 133,827.36, 184,664.74 and 76,470.40

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Solution

The fourth proportional to 133,827.36, 184,664.74 and 76,470.40 is: 105,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,827.36 : 184,664.74 = 76,470.40 : x
  2. Step 2: Convert to fraction form
    133,827.36/184,664.74 = 76,470.40/x
  3. Step 3: Cross multiply
    133,827.36x = 184,664.74 × 76,470.40
  4. Step 4: Simplify right side
    133,827.36x = 14,121,386,533.70
  5. Step 5: Solve for x
    x = 14,121,386,533.70/133,827.36
  6. Step 6: Final answer
    x = 105,519.43

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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.