Home / 255,417.48-383,125.16-77,923.91

Finding the Fourth Proportional to 255,417.48, 383,125.16 and 77,923.91

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Solution

The fourth proportional to 255,417.48, 383,125.16 and 77,923.91 is: 116,885.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,417.48 : 383,125.16 = 77,923.91 : x
  2. Step 2: Convert to fraction form
    255,417.48/383,125.16 = 77,923.91/x
  3. Step 3: Cross multiply
    255,417.48x = 383,125.16 × 77,923.91
  4. Step 4: Simplify right side
    255,417.48x = 29,854,608,181.33
  5. Step 5: Solve for x
    x = 29,854,608,181.33/255,417.48
  6. Step 6: Final answer
    x = 116,885.53

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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.