Home / 190,559.60-262,988.40-105,704

Finding the Fourth Proportional to 190,559.60, 262,988.40 and 105,704

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Solution

The fourth proportional to 190,559.60, 262,988.40 and 105,704 is: 145,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,559.60 : 262,988.40 = 105,704 : x
  2. Step 2: Convert to fraction form
    190,559.60/262,988.40 = 105,704/x
  3. Step 3: Cross multiply
    190,559.60x = 262,988.40 × 105,704
  4. Step 4: Simplify right side
    190,559.60x = 27,798,925,833.60
  5. Step 5: Solve for x
    x = 27,798,925,833.60/190,559.60
  6. Step 6: Final answer
    x = 145,880.48

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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.