Home / 97,164.40-134,087.26-56,870.29

Finding the Fourth Proportional to 97,164.40, 134,087.26 and 56,870.29

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Solution

The fourth proportional to 97,164.40, 134,087.26 and 56,870.29 is: 78,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,164.40 : 134,087.26 = 56,870.29 : x
  2. Step 2: Convert to fraction form
    97,164.40/134,087.26 = 56,870.29/x
  3. Step 3: Cross multiply
    97,164.40x = 134,087.26 × 56,870.29
  4. Step 4: Simplify right side
    97,164.40x = 7,625,581,361.51
  5. Step 5: Solve for x
    x = 7,625,581,361.51/97,164.40
  6. Step 6: Final answer
    x = 78,481.23

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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.