Home / 105,733.74-145,916.78-57,988.83

Finding the Fourth Proportional to 105,733.74, 145,916.78 and 57,988.83

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Solution

The fourth proportional to 105,733.74, 145,916.78 and 57,988.83 is: 80,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,733.74 : 145,916.78 = 57,988.83 : x
  2. Step 2: Convert to fraction form
    105,733.74/145,916.78 = 57,988.83/x
  3. Step 3: Cross multiply
    105,733.74x = 145,916.78 × 57,988.83
  4. Step 4: Simplify right side
    105,733.74x = 8,461,543,059.62
  5. Step 5: Solve for x
    x = 8,461,543,059.62/105,733.74
  6. Step 6: Final answer
    x = 80,026.90

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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.