Home / 162,129.06-223,673.81-108,328.86

Finding the Fourth Proportional to 162,129.06, 223,673.81 and 108,328.86

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Solution

The fourth proportional to 162,129.06, 223,673.81 and 108,328.86 is: 149,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,129.06 : 223,673.81 = 108,328.86 : x
  2. Step 2: Convert to fraction form
    162,129.06/223,673.81 = 108,328.86/x
  3. Step 3: Cross multiply
    162,129.06x = 223,673.81 × 108,328.86
  4. Step 4: Simplify right side
    162,129.06x = 24,230,328,307.51
  5. Step 5: Solve for x
    x = 24,230,328,307.51/162,129.06
  6. Step 6: Final answer
    x = 149,450.87

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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.