Home / 101,178.90-151,762.77-31,058.19

Finding the Fourth Proportional to 101,178.90, 151,762.77 and 31,058.19

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Solution

The fourth proportional to 101,178.90, 151,762.77 and 31,058.19 is: 46,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,178.90 : 151,762.77 = 31,058.19 : x
  2. Step 2: Convert to fraction form
    101,178.90/151,762.77 = 31,058.19/x
  3. Step 3: Cross multiply
    101,178.90x = 151,762.77 × 31,058.19
  4. Step 4: Simplify right side
    101,178.90x = 4,713,476,945.59
  5. Step 5: Solve for x
    x = 4,713,476,945.59/101,178.90
  6. Step 6: Final answer
    x = 46,585.57

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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.