Home / 150,085.86-225,017.01-90,907.26

Finding the Fourth Proportional to 150,085.86, 225,017.01 and 90,907.26

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Solution

The fourth proportional to 150,085.86, 225,017.01 and 90,907.26 is: 136,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,085.86 : 225,017.01 = 90,907.26 : x
  2. Step 2: Convert to fraction form
    150,085.86/225,017.01 = 90,907.26/x
  3. Step 3: Cross multiply
    150,085.86x = 225,017.01 × 90,907.26
  4. Step 4: Simplify right side
    150,085.86x = 20,455,679,832.49
  5. Step 5: Solve for x
    x = 20,455,679,832.49/150,085.86
  6. Step 6: Final answer
    x = 136,293.18

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1.5x scale

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.