Home / 211,990.88-292,533.60-121,347.52

Finding the Fourth Proportional to 211,990.88, 292,533.60 and 121,347.52

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Solution

The fourth proportional to 211,990.88, 292,533.60 and 121,347.52 is: 167,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,990.88 : 292,533.60 = 121,347.52 : x
  2. Step 2: Convert to fraction form
    211,990.88/292,533.60 = 121,347.52/x
  3. Step 3: Cross multiply
    211,990.88x = 292,533.60 × 121,347.52
  4. Step 4: Simplify right side
    211,990.88x = 35,498,226,876.67
  5. Step 5: Solve for x
    x = 35,498,226,876.67/211,990.88
  6. Step 6: Final answer
    x = 167,451.67

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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.