Home / 131,628.12-181,599.54-75,006.66

Finding the Fourth Proportional to 131,628.12, 181,599.54 and 75,006.66

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Solution

The fourth proportional to 131,628.12, 181,599.54 and 75,006.66 is: 103,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.12 : 181,599.54 = 75,006.66 : x
  2. Step 2: Convert to fraction form
    131,628.12/181,599.54 = 75,006.66/x
  3. Step 3: Cross multiply
    131,628.12x = 181,599.54 × 75,006.66
  4. Step 4: Simplify right side
    131,628.12x = 13,621,174,952.94
  5. Step 5: Solve for x
    x = 13,621,174,952.94/131,628.12
  6. Step 6: Final answer
    x = 103,482.26

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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.