Home / 211,955.33-292,426.03-131,353.45

Finding the Fourth Proportional to 211,955.33, 292,426.03 and 131,353.45

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Solution

The fourth proportional to 211,955.33, 292,426.03 and 131,353.45 is: 181,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,955.33 : 292,426.03 = 131,353.45 : x
  2. Step 2: Convert to fraction form
    211,955.33/292,426.03 = 131,353.45/x
  3. Step 3: Cross multiply
    211,955.33x = 292,426.03 × 131,353.45
  4. Step 4: Simplify right side
    211,955.33x = 38,411,167,343.43
  5. Step 5: Solve for x
    x = 38,411,167,343.43/211,955.33
  6. Step 6: Final answer
    x = 181,222.93

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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.