Home / 136,088.57-203,696.11-72,750.35

Finding the Fourth Proportional to 136,088.57, 203,696.11 and 72,750.35

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Solution

The fourth proportional to 136,088.57, 203,696.11 and 72,750.35 is: 108,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.57 : 203,696.11 = 72,750.35 : x
  2. Step 2: Convert to fraction form
    136,088.57/203,696.11 = 72,750.35/x
  3. Step 3: Cross multiply
    136,088.57x = 203,696.11 × 72,750.35
  4. Step 4: Simplify right side
    136,088.57x = 14,818,963,296.14
  5. Step 5: Solve for x
    x = 14,818,963,296.14/136,088.57
  6. Step 6: Final answer
    x = 108,892.05

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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.