Home / 125,671.50-188,641.55-50,840.57

Finding the Fourth Proportional to 125,671.50, 188,641.55 and 50,840.57

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Solution

The fourth proportional to 125,671.50, 188,641.55 and 50,840.57 is: 76,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,671.50 : 188,641.55 = 50,840.57 : x
  2. Step 2: Convert to fraction form
    125,671.50/188,641.55 = 50,840.57/x
  3. Step 3: Cross multiply
    125,671.50x = 188,641.55 × 50,840.57
  4. Step 4: Simplify right side
    125,671.50x = 9,590,643,271.50
  5. Step 5: Solve for x
    x = 9,590,643,271.50/125,671.50
  6. Step 6: Final answer
    x = 76,315.18

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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.