Home / 186,427.40-279,444.18-133,808.36

Finding the Fourth Proportional to 186,427.40, 279,444.18 and 133,808.36

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Solution

The fourth proportional to 186,427.40, 279,444.18 and 133,808.36 is: 200,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,427.40 : 279,444.18 = 133,808.36 : x
  2. Step 2: Convert to fraction form
    186,427.40/279,444.18 = 133,808.36/x
  3. Step 3: Cross multiply
    186,427.40x = 279,444.18 × 133,808.36
  4. Step 4: Simplify right side
    186,427.40x = 37,391,967,437.34
  5. Step 5: Solve for x
    x = 37,391,967,437.34/186,427.40
  6. Step 6: Final answer
    x = 200,571.20

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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.