Home / 89,130.18-122,998.16-53,299.82

Finding the Fourth Proportional to 89,130.18, 122,998.16 and 53,299.82

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Solution

The fourth proportional to 89,130.18, 122,998.16 and 53,299.82 is: 73,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,130.18 : 122,998.16 = 53,299.82 : x
  2. Step 2: Convert to fraction form
    89,130.18/122,998.16 = 53,299.82/x
  3. Step 3: Cross multiply
    89,130.18x = 122,998.16 × 53,299.82
  4. Step 4: Simplify right side
    89,130.18x = 6,555,779,788.33
  5. Step 5: Solve for x
    x = 6,555,779,788.33/89,130.18
  6. Step 6: Final answer
    x = 73,552.86

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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.