Home / 89,642.23-134,420.45-52,212.98

Finding the Fourth Proportional to 89,642.23, 134,420.45 and 52,212.98

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Solution

The fourth proportional to 89,642.23, 134,420.45 and 52,212.98 is: 78,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642.23 : 134,420.45 = 52,212.98 : x
  2. Step 2: Convert to fraction form
    89,642.23/134,420.45 = 52,212.98/x
  3. Step 3: Cross multiply
    89,642.23x = 134,420.45 × 52,212.98
  4. Step 4: Simplify right side
    89,642.23x = 7,018,491,725.87
  5. Step 5: Solve for x
    x = 7,018,491,725.87/89,642.23
  6. Step 6: Final answer
    x = 78,294.48

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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.