Home / 156,125.88-215,457.90-94,851.21

Finding the Fourth Proportional to 156,125.88, 215,457.90 and 94,851.21

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Solution

The fourth proportional to 156,125.88, 215,457.90 and 94,851.21 is: 130,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.88 : 215,457.90 = 94,851.21 : x
  2. Step 2: Convert to fraction form
    156,125.88/215,457.90 = 94,851.21/x
  3. Step 3: Cross multiply
    156,125.88x = 215,457.90 × 94,851.21
  4. Step 4: Simplify right side
    156,125.88x = 20,436,442,519.06
  5. Step 5: Solve for x
    x = 20,436,442,519.06/156,125.88
  6. Step 6: Final answer
    x = 130,897.21

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1.5x scale

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.