Home / 107,931.10-161,896.65-34,059.10

Finding the Fourth Proportional to 107,931.10, 161,896.65 and 34,059.10

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Solution

The fourth proportional to 107,931.10, 161,896.65 and 34,059.10 is: 51,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,931.10 : 161,896.65 = 34,059.10 : x
  2. Step 2: Convert to fraction form
    107,931.10/161,896.65 = 34,059.10/x
  3. Step 3: Cross multiply
    107,931.10x = 161,896.65 × 34,059.10
  4. Step 4: Simplify right side
    107,931.10x = 5,514,054,192.02
  5. Step 5: Solve for x
    x = 5,514,054,192.02/107,931.10
  6. Step 6: Final answer
    x = 51,088.65

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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.