Home / 133,378.28-184,128.86-103,095.16

Finding the Fourth Proportional to 133,378.28, 184,128.86 and 103,095.16

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Solution

The fourth proportional to 133,378.28, 184,128.86 and 103,095.16 is: 142,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,378.28 : 184,128.86 = 103,095.16 : x
  2. Step 2: Convert to fraction form
    133,378.28/184,128.86 = 103,095.16/x
  3. Step 3: Cross multiply
    133,378.28x = 184,128.86 × 103,095.16
  4. Step 4: Simplify right side
    133,378.28x = 18,982,794,282.32
  5. Step 5: Solve for x
    x = 18,982,794,282.32/133,378.28
  6. Step 6: Final answer
    x = 142,322.98

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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.