Home / 190,417.27-285,628.74-72,056.83

Finding the Fourth Proportional to 190,417.27, 285,628.74 and 72,056.83

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Solution

The fourth proportional to 190,417.27, 285,628.74 and 72,056.83 is: 108,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,417.27 : 285,628.74 = 72,056.83 : x
  2. Step 2: Convert to fraction form
    190,417.27/285,628.74 = 72,056.83/x
  3. Step 3: Cross multiply
    190,417.27x = 285,628.74 × 72,056.83
  4. Step 4: Simplify right side
    190,417.27x = 20,581,501,561.29
  5. Step 5: Solve for x
    x = 20,581,501,561.29/190,417.27
  6. Step 6: Final answer
    x = 108,086.32

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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.