Home / 151,875.40-209,449.38-115,998.76

Finding the Fourth Proportional to 151,875.40, 209,449.38 and 115,998.76

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Solution

The fourth proportional to 151,875.40, 209,449.38 and 115,998.76 is: 159,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,875.40 : 209,449.38 = 115,998.76 : x
  2. Step 2: Convert to fraction form
    151,875.40/209,449.38 = 115,998.76/x
  3. Step 3: Cross multiply
    151,875.40x = 209,449.38 × 115,998.76
  4. Step 4: Simplify right side
    151,875.40x = 24,295,868,362.77
  5. Step 5: Solve for x
    x = 24,295,868,362.77/151,875.40
  6. Step 6: Final answer
    x = 159,972.37

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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.