Home / 95,437.41-142,968.86-77,687.16

Finding the Fourth Proportional to 95,437.41, 142,968.86 and 77,687.16

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Solution

The fourth proportional to 95,437.41, 142,968.86 and 77,687.16 is: 116,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,437.41 : 142,968.86 = 77,687.16 : x
  2. Step 2: Convert to fraction form
    95,437.41/142,968.86 = 77,687.16/x
  3. Step 3: Cross multiply
    95,437.41x = 142,968.86 × 77,687.16
  4. Step 4: Simplify right side
    95,437.41x = 11,106,844,313.40
  5. Step 5: Solve for x
    x = 11,106,844,313.40/95,437.41
  6. Step 6: Final answer
    x = 116,378.31

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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.