Home / 145,073.79-217,564.61-46,554.75

Finding the Fourth Proportional to 145,073.79, 217,564.61 and 46,554.75

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Solution

The fourth proportional to 145,073.79, 217,564.61 and 46,554.75 is: 69,817.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073.79 : 217,564.61 = 46,554.75 : x
  2. Step 2: Convert to fraction form
    145,073.79/217,564.61 = 46,554.75/x
  3. Step 3: Cross multiply
    145,073.79x = 217,564.61 × 46,554.75
  4. Step 4: Simplify right side
    145,073.79x = 10,128,665,794.62
  5. Step 5: Solve for x
    x = 10,128,665,794.62/145,073.79
  6. Step 6: Final answer
    x = 69,817.34

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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.