Home / 131,182.34-181,029.53-73,038.51

Finding the Fourth Proportional to 131,182.34, 181,029.53 and 73,038.51

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Solution

The fourth proportional to 131,182.34, 181,029.53 and 73,038.51 is: 100,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.34 : 181,029.53 = 73,038.51 : x
  2. Step 2: Convert to fraction form
    131,182.34/181,029.53 = 73,038.51/x
  3. Step 3: Cross multiply
    131,182.34x = 181,029.53 × 73,038.51
  4. Step 4: Simplify right side
    131,182.34x = 13,222,127,319.80
  5. Step 5: Solve for x
    x = 13,222,127,319.80/131,182.34
  6. Step 6: Final answer
    x = 100,791.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.