Home / 218,462.42-301,472.02-121,666.24

Finding the Fourth Proportional to 218,462.42, 301,472.02 and 121,666.24

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Solution

The fourth proportional to 218,462.42, 301,472.02 and 121,666.24 is: 167,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,462.42 : 301,472.02 = 121,666.24 : x
  2. Step 2: Convert to fraction form
    218,462.42/301,472.02 = 121,666.24/x
  3. Step 3: Cross multiply
    218,462.42x = 301,472.02 × 121,666.24
  4. Step 4: Simplify right side
    218,462.42x = 36,678,967,667.53
  5. Step 5: Solve for x
    x = 36,678,967,667.53/218,462.42
  6. Step 6: Final answer
    x = 167,896.00

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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.