Home / 145,328.30-217,903.24-56,478.06

Finding the Fourth Proportional to 145,328.30, 217,903.24 and 56,478.06

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Solution

The fourth proportional to 145,328.30, 217,903.24 and 56,478.06 is: 84,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,328.30 : 217,903.24 = 56,478.06 : x
  2. Step 2: Convert to fraction form
    145,328.30/217,903.24 = 56,478.06/x
  3. Step 3: Cross multiply
    145,328.30x = 217,903.24 × 56,478.06
  4. Step 4: Simplify right side
    145,328.30x = 12,306,752,262.91
  5. Step 5: Solve for x
    x = 12,306,752,262.91/145,328.30
  6. Step 6: Final answer
    x = 84,682.42

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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.