Home / 145,359.90-217,996.65-56,562.30

Finding the Fourth Proportional to 145,359.90, 217,996.65 and 56,562.30

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Solution

The fourth proportional to 145,359.90, 217,996.65 and 56,562.30 is: 84,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,359.90 : 217,996.65 = 56,562.30 : x
  2. Step 2: Convert to fraction form
    145,359.90/217,996.65 = 56,562.30/x
  3. Step 3: Cross multiply
    145,359.90x = 217,996.65 × 56,562.30
  4. Step 4: Simplify right side
    145,359.90x = 12,330,391,916.30
  5. Step 5: Solve for x
    x = 12,330,391,916.30/145,359.90
  6. Step 6: Final answer
    x = 84,826.64

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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.