Home / 572,122.10-858,189.64-172,766.18

Finding the Fourth Proportional to 572,122.10, 858,189.64 and 172,766.18

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Solution

The fourth proportional to 572,122.10, 858,189.64 and 172,766.18 is: 259,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,122.10 : 858,189.64 = 172,766.18 : x
  2. Step 2: Convert to fraction form
    572,122.10/858,189.64 = 172,766.18/x
  3. Step 3: Cross multiply
    572,122.10x = 858,189.64 × 172,766.18
  4. Step 4: Simplify right side
    572,122.10x = 148,266,145,818.38
  5. Step 5: Solve for x
    x = 148,266,145,818.38/572,122.10
  6. Step 6: Final answer
    x = 259,151.23

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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.