Home / 212,181.57-292,814.14-121,545.46

Finding the Fourth Proportional to 212,181.57, 292,814.14 and 121,545.46

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Solution

The fourth proportional to 212,181.57, 292,814.14 and 121,545.46 is: 167,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,181.57 : 292,814.14 = 121,545.46 : x
  2. Step 2: Convert to fraction form
    212,181.57/292,814.14 = 121,545.46/x
  3. Step 3: Cross multiply
    212,181.57x = 292,814.14 × 121,545.46
  4. Step 4: Simplify right side
    212,181.57x = 35,590,227,269.01
  5. Step 5: Solve for x
    x = 35,590,227,269.01/212,181.57
  6. Step 6: Final answer
    x = 167,734.77

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1.5x scale

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.