Home / 155,277.33-214,277.72-87,297.15

Finding the Fourth Proportional to 155,277.33, 214,277.72 and 87,297.15

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Solution

The fourth proportional to 155,277.33, 214,277.72 and 87,297.15 is: 120,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,277.33 : 214,277.72 = 87,297.15 : x
  2. Step 2: Convert to fraction form
    155,277.33/214,277.72 = 87,297.15/x
  3. Step 3: Cross multiply
    155,277.33x = 214,277.72 × 87,297.15
  4. Step 4: Simplify right side
    155,277.33x = 18,705,834,264.50
  5. Step 5: Solve for x
    x = 18,705,834,264.50/155,277.33
  6. Step 6: Final answer
    x = 120,467.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.