Home / 97,170.20-134,128.43-56,896.91

Finding the Fourth Proportional to 97,170.20, 134,128.43 and 56,896.91

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Solution

The fourth proportional to 97,170.20, 134,128.43 and 56,896.91 is: 78,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,170.20 : 134,128.43 = 56,896.91 : x
  2. Step 2: Convert to fraction form
    97,170.20/134,128.43 = 56,896.91/x
  3. Step 3: Cross multiply
    97,170.20x = 134,128.43 × 56,896.91
  4. Step 4: Simplify right side
    97,170.20x = 7,631,492,255.02
  5. Step 5: Solve for x
    x = 7,631,492,255.02/97,170.20
  6. Step 6: Final answer
    x = 78,537.38

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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.