Home / 162,301.32-223,619.40-121,293.72

Finding the Fourth Proportional to 162,301.32, 223,619.40 and 121,293.72

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Solution

The fourth proportional to 162,301.32, 223,619.40 and 121,293.72 is: 167,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,301.32 : 223,619.40 = 121,293.72 : x
  2. Step 2: Convert to fraction form
    162,301.32/223,619.40 = 121,293.72/x
  3. Step 3: Cross multiply
    162,301.32x = 223,619.40 × 121,293.72
  4. Step 4: Simplify right side
    162,301.32x = 27,123,628,890.17
  5. Step 5: Solve for x
    x = 27,123,628,890.17/162,301.32
  6. Step 6: Final answer
    x = 167,118.97

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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.