Home / 190,374.08-262,701.78-105,489.32

Finding the Fourth Proportional to 190,374.08, 262,701.78 and 105,489.32

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Solution

The fourth proportional to 190,374.08, 262,701.78 and 105,489.32 is: 145,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,374.08 : 262,701.78 = 105,489.32 : x
  2. Step 2: Convert to fraction form
    190,374.08/262,701.78 = 105,489.32/x
  3. Step 3: Cross multiply
    190,374.08x = 262,701.78 × 105,489.32
  4. Step 4: Simplify right side
    190,374.08x = 27,712,232,134.99
  5. Step 5: Solve for x
    x = 27,712,232,134.99/190,374.08
  6. Step 6: Final answer
    x = 145,567.25

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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.