Home / 147,427.36-203,288.98-99,597.66

Finding the Fourth Proportional to 147,427.36, 203,288.98 and 99,597.66

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Solution

The fourth proportional to 147,427.36, 203,288.98 and 99,597.66 is: 137,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.36 : 203,288.98 = 99,597.66 : x
  2. Step 2: Convert to fraction form
    147,427.36/203,288.98 = 99,597.66/x
  3. Step 3: Cross multiply
    147,427.36x = 203,288.98 × 99,597.66
  4. Step 4: Simplify right side
    147,427.36x = 20,247,106,711.79
  5. Step 5: Solve for x
    x = 20,247,106,711.79/147,427.36
  6. Step 6: Final answer
    x = 137,336.15

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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.