Home / 161,038.12-241,715.96-120,917.76

Finding the Fourth Proportional to 161,038.12, 241,715.96 and 120,917.76

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Solution

The fourth proportional to 161,038.12, 241,715.96 and 120,917.76 is: 181,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,038.12 : 241,715.96 = 120,917.76 : x
  2. Step 2: Convert to fraction form
    161,038.12/241,715.96 = 120,917.76/x
  3. Step 3: Cross multiply
    161,038.12x = 241,715.96 × 120,917.76
  4. Step 4: Simplify right side
    161,038.12x = 29,227,752,439.45
  5. Step 5: Solve for x
    x = 29,227,752,439.45/161,038.12
  6. Step 6: Final answer
    x = 181,495.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.