Home / 101,287.18-151,848.55-42,167.10

Finding the Fourth Proportional to 101,287.18, 151,848.55 and 42,167.10

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Solution

The fourth proportional to 101,287.18, 151,848.55 and 42,167.10 is: 63,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,287.18 : 151,848.55 = 42,167.10 : x
  2. Step 2: Convert to fraction form
    101,287.18/151,848.55 = 42,167.10/x
  3. Step 3: Cross multiply
    101,287.18x = 151,848.55 × 42,167.10
  4. Step 4: Simplify right side
    101,287.18x = 6,403,012,992.71
  5. Step 5: Solve for x
    x = 6,403,012,992.71/101,287.18
  6. Step 6: Final answer
    x = 63,216.42

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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.