Home / 103,928.29-143,422.35-63,080.59

Finding the Fourth Proportional to 103,928.29, 143,422.35 and 63,080.59

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Solution

The fourth proportional to 103,928.29, 143,422.35 and 63,080.59 is: 87,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,928.29 : 143,422.35 = 63,080.59 : x
  2. Step 2: Convert to fraction form
    103,928.29/143,422.35 = 63,080.59/x
  3. Step 3: Cross multiply
    103,928.29x = 143,422.35 × 63,080.59
  4. Step 4: Simplify right side
    103,928.29x = 9,047,166,457.19
  5. Step 5: Solve for x
    x = 9,047,166,457.19/103,928.29
  6. Step 6: Final answer
    x = 87,052.01

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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.