Home / 190,282.66-262,596-105,407.62

Finding the Fourth Proportional to 190,282.66, 262,596 and 105,407.62

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Solution

The fourth proportional to 190,282.66, 262,596 and 105,407.62 is: 145,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,282.66 : 262,596 = 105,407.62 : x
  2. Step 2: Convert to fraction form
    190,282.66/262,596 = 105,407.62/x
  3. Step 3: Cross multiply
    190,282.66x = 262,596 × 105,407.62
  4. Step 4: Simplify right side
    190,282.66x = 27,679,619,381.52
  5. Step 5: Solve for x
    x = 27,679,619,381.52/190,282.66
  6. Step 6: Final answer
    x = 145,465.80

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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.