Home / 190,158.32-285,380.96-130,043.16

Finding the Fourth Proportional to 190,158.32, 285,380.96 and 130,043.16

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Solution

The fourth proportional to 190,158.32, 285,380.96 and 130,043.16 is: 195,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,158.32 : 285,380.96 = 130,043.16 : x
  2. Step 2: Convert to fraction form
    190,158.32/285,380.96 = 130,043.16/x
  3. Step 3: Cross multiply
    190,158.32x = 285,380.96 × 130,043.16
  4. Step 4: Simplify right side
    190,158.32x = 37,111,841,192.02
  5. Step 5: Solve for x
    x = 37,111,841,192.02/190,158.32
  6. Step 6: Final answer
    x = 195,162.86

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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.