Home / 130,742.68-196,114.14-91,376.68

Finding the Fourth Proportional to 130,742.68, 196,114.14 and 91,376.68

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Solution

The fourth proportional to 130,742.68, 196,114.14 and 91,376.68 is: 137,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,742.68 : 196,114.14 = 91,376.68 : x
  2. Step 2: Convert to fraction form
    130,742.68/196,114.14 = 91,376.68/x
  3. Step 3: Cross multiply
    130,742.68x = 196,114.14 × 91,376.68
  4. Step 4: Simplify right side
    130,742.68x = 17,920,259,014.26
  5. Step 5: Solve for x
    x = 17,920,259,014.26/130,742.68
  6. Step 6: Final answer
    x = 137,065.10

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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.