Home / 212,061.56-292,645.58-121,418.92

Finding the Fourth Proportional to 212,061.56, 292,645.58 and 121,418.92

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Solution

The fourth proportional to 212,061.56, 292,645.58 and 121,418.92 is: 167,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,061.56 : 292,645.58 = 121,418.92 : x
  2. Step 2: Convert to fraction form
    212,061.56/292,645.58 = 121,418.92/x
  3. Step 3: Cross multiply
    212,061.56x = 292,645.58 × 121,418.92
  4. Step 4: Simplify right side
    212,061.56x = 35,532,708,927.67
  5. Step 5: Solve for x
    x = 35,532,708,927.67/212,061.56
  6. Step 6: Final answer
    x = 167,558.46

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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.