Home / 94,153.74-141,739.63-85,774.10

Finding the Fourth Proportional to 94,153.74, 141,739.63 and 85,774.10

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Solution

The fourth proportional to 94,153.74, 141,739.63 and 85,774.10 is: 129,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,153.74 : 141,739.63 = 85,774.10 : x
  2. Step 2: Convert to fraction form
    94,153.74/141,739.63 = 85,774.10/x
  3. Step 3: Cross multiply
    94,153.74x = 141,739.63 × 85,774.10
  4. Step 4: Simplify right side
    94,153.74x = 12,157,588,274.45
  5. Step 5: Solve for x
    x = 12,157,588,274.45/94,153.74
  6. Step 6: Final answer
    x = 129,124.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.