Home / 161,675.48-242,298.30-85,758.38

Finding the Fourth Proportional to 161,675.48, 242,298.30 and 85,758.38

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Solution

The fourth proportional to 161,675.48, 242,298.30 and 85,758.38 is: 128,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,675.48 : 242,298.30 = 85,758.38 : x
  2. Step 2: Convert to fraction form
    161,675.48/242,298.30 = 85,758.38/x
  3. Step 3: Cross multiply
    161,675.48x = 242,298.30 × 85,758.38
  4. Step 4: Simplify right side
    161,675.48x = 20,779,109,684.75
  5. Step 5: Solve for x
    x = 20,779,109,684.75/161,675.48
  6. Step 6: Final answer
    x = 128,523.57

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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.