Home / 190,122.76-262,292.64-109,507.16

Finding the Fourth Proportional to 190,122.76, 262,292.64 and 109,507.16

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Solution

The fourth proportional to 190,122.76, 262,292.64 and 109,507.16 is: 151,075.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,122.76 : 262,292.64 = 109,507.16 : x
  2. Step 2: Convert to fraction form
    190,122.76/262,292.64 = 109,507.16/x
  3. Step 3: Cross multiply
    190,122.76x = 262,292.64 × 109,507.16
  4. Step 4: Simplify right side
    190,122.76x = 28,722,922,095.30
  5. Step 5: Solve for x
    x = 28,722,922,095.30/190,122.76
  6. Step 6: Final answer
    x = 151,075.66

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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.