Home / 190,426.20-285,664.14-70,466.82

Finding the Fourth Proportional to 190,426.20, 285,664.14 and 70,466.82

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Solution

The fourth proportional to 190,426.20, 285,664.14 and 70,466.82 is: 105,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,426.20 : 285,664.14 = 70,466.82 : x
  2. Step 2: Convert to fraction form
    190,426.20/285,664.14 = 70,466.82/x
  3. Step 3: Cross multiply
    190,426.20x = 285,664.14 × 70,466.82
  4. Step 4: Simplify right side
    190,426.20x = 20,129,843,533.83
  5. Step 5: Solve for x
    x = 20,129,843,533.83/190,426.20
  6. Step 6: Final answer
    x = 105,709.42

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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.