Home / 145,060.85-217,590.93-81,852.27

Finding the Fourth Proportional to 145,060.85, 217,590.93 and 81,852.27

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Solution

The fourth proportional to 145,060.85, 217,590.93 and 81,852.27 is: 122,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,060.85 : 217,590.93 = 81,852.27 : x
  2. Step 2: Convert to fraction form
    145,060.85/217,590.93 = 81,852.27/x
  3. Step 3: Cross multiply
    145,060.85x = 217,590.93 × 81,852.27
  4. Step 4: Simplify right side
    145,060.85x = 17,810,311,551.91
  5. Step 5: Solve for x
    x = 17,810,311,551.91/145,060.85
  6. Step 6: Final answer
    x = 122,778.21

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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.