Home / 145,322.30-217,894.25-56,472.05

Finding the Fourth Proportional to 145,322.30, 217,894.25 and 56,472.05

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Solution

The fourth proportional to 145,322.30, 217,894.25 and 56,472.05 is: 84,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,322.30 : 217,894.25 = 56,472.05 : x
  2. Step 2: Convert to fraction form
    145,322.30/217,894.25 = 56,472.05/x
  3. Step 3: Cross multiply
    145,322.30x = 217,894.25 × 56,472.05
  4. Step 4: Simplify right side
    145,322.30x = 12,304,935,666.63
  5. Step 5: Solve for x
    x = 12,304,935,666.63/145,322.30
  6. Step 6: Final answer
    x = 84,673.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.