Home / 212,047.02-292,645.05-121,410.18

Finding the Fourth Proportional to 212,047.02, 292,645.05 and 121,410.18

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Solution

The fourth proportional to 212,047.02, 292,645.05 and 121,410.18 is: 167,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,047.02 : 292,645.05 = 121,410.18 : x
  2. Step 2: Convert to fraction form
    212,047.02/292,645.05 = 121,410.18/x
  3. Step 3: Cross multiply
    212,047.02x = 292,645.05 × 121,410.18
  4. Step 4: Simplify right side
    212,047.02x = 35,530,088,196.61
  5. Step 5: Solve for x
    x = 35,530,088,196.61/212,047.02
  6. Step 6: Final answer
    x = 167,557.59

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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.