Home / 114,539.19-171,767.61-39,639

Finding the Fourth Proportional to 114,539.19, 171,767.61 and 39,639

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Solution

The fourth proportional to 114,539.19, 171,767.61 and 39,639 is: 59,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,539.19 : 171,767.61 = 39,639 : x
  2. Step 2: Convert to fraction form
    114,539.19/171,767.61 = 39,639/x
  3. Step 3: Cross multiply
    114,539.19x = 171,767.61 × 39,639
  4. Step 4: Simplify right side
    114,539.19x = 6,808,696,292.79
  5. Step 5: Solve for x
    x = 6,808,696,292.79/114,539.19
  6. Step 6: Final answer
    x = 59,444.25

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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.