Home / 207,975.42-287,050.50-131,445.81

Finding the Fourth Proportional to 207,975.42, 287,050.50 and 131,445.81

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Solution

The fourth proportional to 207,975.42, 287,050.50 and 131,445.81 is: 181,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,975.42 : 287,050.50 = 131,445.81 : x
  2. Step 2: Convert to fraction form
    207,975.42/287,050.50 = 131,445.81/x
  3. Step 3: Cross multiply
    207,975.42x = 287,050.50 × 131,445.81
  4. Step 4: Simplify right side
    207,975.42x = 37,731,585,483.41
  5. Step 5: Solve for x
    x = 37,731,585,483.41/207,975.42
  6. Step 6: Final answer
    x = 181,423.29

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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.