Home / 131,573.40-181,529.85-80,532.93

Finding the Fourth Proportional to 131,573.40, 181,529.85 and 80,532.93

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Solution

The fourth proportional to 131,573.40, 181,529.85 and 80,532.93 is: 111,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573.40 : 181,529.85 = 80,532.93 : x
  2. Step 2: Convert to fraction form
    131,573.40/181,529.85 = 80,532.93/x
  3. Step 3: Cross multiply
    131,573.40x = 181,529.85 × 80,532.93
  4. Step 4: Simplify right side
    131,573.40x = 14,619,130,702.96
  5. Step 5: Solve for x
    x = 14,619,130,702.96/131,573.40
  6. Step 6: Final answer
    x = 111,110.08

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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.