Home / 190,374.46-262,718.31-105,492.94

Finding the Fourth Proportional to 190,374.46, 262,718.31 and 105,492.94

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Solution

The fourth proportional to 190,374.46, 262,718.31 and 105,492.94 is: 145,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,374.46 : 262,718.31 = 105,492.94 : x
  2. Step 2: Convert to fraction form
    190,374.46/262,718.31 = 105,492.94/x
  3. Step 3: Cross multiply
    190,374.46x = 262,718.31 × 105,492.94
  4. Step 4: Simplify right side
    190,374.46x = 27,714,926,913.73
  5. Step 5: Solve for x
    x = 27,714,926,913.73/190,374.46
  6. Step 6: Final answer
    x = 145,581.12

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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.