Home / 75,114.06-112,732.64-30,741.20

Finding the Fourth Proportional to 75,114.06, 112,732.64 and 30,741.20

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Solution

The fourth proportional to 75,114.06, 112,732.64 and 30,741.20 is: 46,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.06 : 112,732.64 = 30,741.20 : x
  2. Step 2: Convert to fraction form
    75,114.06/112,732.64 = 30,741.20/x
  3. Step 3: Cross multiply
    75,114.06x = 112,732.64 × 30,741.20
  4. Step 4: Simplify right side
    75,114.06x = 3,465,535,915.40
  5. Step 5: Solve for x
    x = 3,465,535,915.40/75,114.06
  6. Step 6: Final answer
    x = 46,136.98

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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.