Home / 114,870.05-172,187.52-39,928.70

Finding the Fourth Proportional to 114,870.05, 172,187.52 and 39,928.70

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Solution

The fourth proportional to 114,870.05, 172,187.52 and 39,928.70 is: 59,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.05 : 172,187.52 = 39,928.70 : x
  2. Step 2: Convert to fraction form
    114,870.05/172,187.52 = 39,928.70/x
  3. Step 3: Cross multiply
    114,870.05x = 172,187.52 × 39,928.70
  4. Step 4: Simplify right side
    114,870.05x = 6,875,223,366.60
  5. Step 5: Solve for x
    x = 6,875,223,366.60/114,870.05
  6. Step 6: Final answer
    x = 59,852.18

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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.