Home / 130,683.78-195,936.96-66,484.14

Finding the Fourth Proportional to 130,683.78, 195,936.96 and 66,484.14

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Solution

The fourth proportional to 130,683.78, 195,936.96 and 66,484.14 is: 99,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,683.78 : 195,936.96 = 66,484.14 : x
  2. Step 2: Convert to fraction form
    130,683.78/195,936.96 = 66,484.14/x
  3. Step 3: Cross multiply
    130,683.78x = 195,936.96 × 66,484.14
  4. Step 4: Simplify right side
    130,683.78x = 13,026,700,249.47
  5. Step 5: Solve for x
    x = 13,026,700,249.47/130,683.78
  6. Step 6: Final answer
    x = 99,681.08

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1.5x scale

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.