Home / 190,363.24-262,582.02-122,468.56

Finding the Fourth Proportional to 190,363.24, 262,582.02 and 122,468.56

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Solution

The fourth proportional to 190,363.24, 262,582.02 and 122,468.56 is: 168,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,363.24 : 262,582.02 = 122,468.56 : x
  2. Step 2: Convert to fraction form
    190,363.24/262,582.02 = 122,468.56/x
  3. Step 3: Cross multiply
    190,363.24x = 262,582.02 × 122,468.56
  4. Step 4: Simplify right side
    190,363.24x = 32,158,041,871.29
  5. Step 5: Solve for x
    x = 32,158,041,871.29/190,363.24
  6. Step 6: Final answer
    x = 168,929.89

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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.