Home / 212,155.68-292,782.32-116,669.60

Finding the Fourth Proportional to 212,155.68, 292,782.32 and 116,669.60

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Solution

The fourth proportional to 212,155.68, 292,782.32 and 116,669.60 is: 161,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,155.68 : 292,782.32 = 116,669.60 : x
  2. Step 2: Convert to fraction form
    212,155.68/292,782.32 = 116,669.60/x
  3. Step 3: Cross multiply
    212,155.68x = 292,782.32 × 116,669.60
  4. Step 4: Simplify right side
    212,155.68x = 34,158,796,161.47
  5. Step 5: Solve for x
    x = 34,158,796,161.47/212,155.68
  6. Step 6: Final answer
    x = 161,008.16

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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.