Home / 186,437.40-279,315.90-107,316.60

Finding the Fourth Proportional to 186,437.40, 279,315.90 and 107,316.60

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Solution

The fourth proportional to 186,437.40, 279,315.90 and 107,316.60 is: 160,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,437.40 : 279,315.90 = 107,316.60 : x
  2. Step 2: Convert to fraction form
    186,437.40/279,315.90 = 107,316.60/x
  3. Step 3: Cross multiply
    186,437.40x = 279,315.90 × 107,316.60
  4. Step 4: Simplify right side
    186,437.40x = 29,975,232,713.94
  5. Step 5: Solve for x
    x = 29,975,232,713.94/186,437.40
  6. Step 6: Final answer
    x = 160,779.07

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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.