Home / 212,181.82-292,814.48-121,545.71

Finding the Fourth Proportional to 212,181.82, 292,814.48 and 121,545.71

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Solution

The fourth proportional to 212,181.82, 292,814.48 and 121,545.71 is: 167,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,181.82 : 292,814.48 = 121,545.71 : x
  2. Step 2: Convert to fraction form
    212,181.82/292,814.48 = 121,545.71/x
  3. Step 3: Cross multiply
    212,181.82x = 292,814.48 × 121,545.71
  4. Step 4: Simplify right side
    212,181.82x = 35,590,341,798.08
  5. Step 5: Solve for x
    x = 35,590,341,798.08/212,181.82
  6. Step 6: Final answer
    x = 167,735.12

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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.