Home / 136,733.74-205,099.40-47,966.45

Finding the Fourth Proportional to 136,733.74, 205,099.40 and 47,966.45

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Solution

The fourth proportional to 136,733.74, 205,099.40 and 47,966.45 is: 71,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,733.74 : 205,099.40 = 47,966.45 : x
  2. Step 2: Convert to fraction form
    136,733.74/205,099.40 = 47,966.45/x
  3. Step 3: Cross multiply
    136,733.74x = 205,099.40 × 47,966.45
  4. Step 4: Simplify right side
    136,733.74x = 9,837,889,875.30
  5. Step 5: Solve for x
    x = 9,837,889,875.30/136,733.74
  6. Step 6: Final answer
    x = 71,949.25

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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.