Home / 145,384.20-217,947.06-56,617.20

Finding the Fourth Proportional to 145,384.20, 217,947.06 and 56,617.20

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Solution

The fourth proportional to 145,384.20, 217,947.06 and 56,617.20 is: 84,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384.20 : 217,947.06 = 56,617.20 : x
  2. Step 2: Convert to fraction form
    145,384.20/217,947.06 = 56,617.20/x
  3. Step 3: Cross multiply
    145,384.20x = 217,947.06 × 56,617.20
  4. Step 4: Simplify right side
    145,384.20x = 12,339,552,285.43
  5. Step 5: Solve for x
    x = 12,339,552,285.43/145,384.20
  6. Step 6: Final answer
    x = 84,875.47

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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.