Home / 161,725.10-242,587.65-82,813.10

Finding the Fourth Proportional to 161,725.10, 242,587.65 and 82,813.10

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Solution

The fourth proportional to 161,725.10, 242,587.65 and 82,813.10 is: 124,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.10 : 242,587.65 = 82,813.10 : x
  2. Step 2: Convert to fraction form
    161,725.10/242,587.65 = 82,813.10/x
  3. Step 3: Cross multiply
    161,725.10x = 242,587.65 × 82,813.10
  4. Step 4: Simplify right side
    161,725.10x = 20,089,435,318.22
  5. Step 5: Solve for x
    x = 20,089,435,318.22/161,725.10
  6. Step 6: Final answer
    x = 124,219.65

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1.5x scale

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.