Home / 132,985.32-183,543.48-79,273.80

Finding the Fourth Proportional to 132,985.32, 183,543.48 and 79,273.80

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Solution

The fourth proportional to 132,985.32, 183,543.48 and 79,273.80 is: 109,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,985.32 : 183,543.48 = 79,273.80 : x
  2. Step 2: Convert to fraction form
    132,985.32/183,543.48 = 79,273.80/x
  3. Step 3: Cross multiply
    132,985.32x = 183,543.48 × 79,273.80
  4. Step 4: Simplify right side
    132,985.32x = 14,550,189,124.82
  5. Step 5: Solve for x
    x = 14,550,189,124.82/132,985.32
  6. Step 6: Final answer
    x = 109,411.99

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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.