Home / 145,323.30-217,895.75-56,473.05

Finding the Fourth Proportional to 145,323.30, 217,895.75 and 56,473.05

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Solution

The fourth proportional to 145,323.30, 217,895.75 and 56,473.05 is: 84,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,323.30 : 217,895.75 = 56,473.05 : x
  2. Step 2: Convert to fraction form
    145,323.30/217,895.75 = 56,473.05/x
  3. Step 3: Cross multiply
    145,323.30x = 217,895.75 × 56,473.05
  4. Step 4: Simplify right side
    145,323.30x = 12,305,237,584.54
  5. Step 5: Solve for x
    x = 12,305,237,584.54/145,323.30
  6. Step 6: Final answer
    x = 84,674.91

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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.