Home / 97,686.56-134,814.70-54,670.36

Finding the Fourth Proportional to 97,686.56, 134,814.70 and 54,670.36

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Solution

The fourth proportional to 97,686.56, 134,814.70 and 54,670.36 is: 75,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,686.56 : 134,814.70 = 54,670.36 : x
  2. Step 2: Convert to fraction form
    97,686.56/134,814.70 = 54,670.36/x
  3. Step 3: Cross multiply
    97,686.56x = 134,814.70 × 54,670.36
  4. Step 4: Simplify right side
    97,686.56x = 7,370,368,182.29
  5. Step 5: Solve for x
    x = 7,370,368,182.29/97,686.56
  6. Step 6: Final answer
    x = 75,449.15

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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.