Home / 145,330.30-217,906.24-56,480.06

Finding the Fourth Proportional to 145,330.30, 217,906.24 and 56,480.06

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Solution

The fourth proportional to 145,330.30, 217,906.24 and 56,480.06 is: 84,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,330.30 : 217,906.24 = 56,480.06 : x
  2. Step 2: Convert to fraction form
    145,330.30/217,906.24 = 56,480.06/x
  3. Step 3: Cross multiply
    145,330.30x = 217,906.24 × 56,480.06
  4. Step 4: Simplify right side
    145,330.30x = 12,307,357,509.57
  5. Step 5: Solve for x
    x = 12,307,357,509.57/145,330.30
  6. Step 6: Final answer
    x = 84,685.42

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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.