Home / 145,423.71-218,252.22-75,323.07

Finding the Fourth Proportional to 145,423.71, 218,252.22 and 75,323.07

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Solution

The fourth proportional to 145,423.71, 218,252.22 and 75,323.07 is: 113,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,423.71 : 218,252.22 = 75,323.07 : x
  2. Step 2: Convert to fraction form
    145,423.71/218,252.22 = 75,323.07/x
  3. Step 3: Cross multiply
    145,423.71x = 218,252.22 × 75,323.07
  4. Step 4: Simplify right side
    145,423.71x = 16,439,427,244.72
  5. Step 5: Solve for x
    x = 16,439,427,244.72/145,423.71
  6. Step 6: Final answer
    x = 113,045.03

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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.