Home / 211,669.42-292,109.34-121,040.14

Finding the Fourth Proportional to 211,669.42, 292,109.34 and 121,040.14

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Solution

The fourth proportional to 211,669.42, 292,109.34 and 121,040.14 is: 167,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,669.42 : 292,109.34 = 121,040.14 : x
  2. Step 2: Convert to fraction form
    211,669.42/292,109.34 = 121,040.14/x
  3. Step 3: Cross multiply
    211,669.42x = 292,109.34 × 121,040.14
  4. Step 4: Simplify right side
    211,669.42x = 35,356,955,408.91
  5. Step 5: Solve for x
    x = 35,356,955,408.91/211,669.42
  6. Step 6: Final answer
    x = 167,038.56

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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.