Home / 107,345.31-161,000.95-64,673.90

Finding the Fourth Proportional to 107,345.31, 161,000.95 and 64,673.90

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Solution

The fourth proportional to 107,345.31, 161,000.95 and 64,673.90 is: 97,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,345.31 : 161,000.95 = 64,673.90 : x
  2. Step 2: Convert to fraction form
    107,345.31/161,000.95 = 64,673.90/x
  3. Step 3: Cross multiply
    107,345.31x = 161,000.95 × 64,673.90
  4. Step 4: Simplify right side
    107,345.31x = 10,412,559,340.21
  5. Step 5: Solve for x
    x = 10,412,559,340.21/107,345.31
  6. Step 6: Final answer
    x = 97,000.60

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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.