Home / 181,916.40-272,874.60-111,835.20

Finding the Fourth Proportional to 181,916.40, 272,874.60 and 111,835.20

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Solution

The fourth proportional to 181,916.40, 272,874.60 and 111,835.20 is: 167,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916.40 : 272,874.60 = 111,835.20 : x
  2. Step 2: Convert to fraction form
    181,916.40/272,874.60 = 111,835.20/x
  3. Step 3: Cross multiply
    181,916.40x = 272,874.60 × 111,835.20
  4. Step 4: Simplify right side
    181,916.40x = 30,516,985,465.92
  5. Step 5: Solve for x
    x = 30,516,985,465.92/181,916.40
  6. Step 6: Final answer
    x = 167,752.80

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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.