Home / 131,364.63-181,283.39-74,776.01

Finding the Fourth Proportional to 131,364.63, 181,283.39 and 74,776.01

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Solution

The fourth proportional to 131,364.63, 181,283.39 and 74,776.01 is: 103,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,364.63 : 181,283.39 = 74,776.01 : x
  2. Step 2: Convert to fraction form
    131,364.63/181,283.39 = 74,776.01/x
  3. Step 3: Cross multiply
    131,364.63x = 181,283.39 × 74,776.01
  4. Step 4: Simplify right side
    131,364.63x = 13,555,648,583.47
  5. Step 5: Solve for x
    x = 13,555,648,583.47/131,364.63
  6. Step 6: Final answer
    x = 103,191.01

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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.