Home / 190,089.75-262,319.81-104,048.72

Finding the Fourth Proportional to 190,089.75, 262,319.81 and 104,048.72

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Solution

The fourth proportional to 190,089.75, 262,319.81 and 104,048.72 is: 143,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,089.75 : 262,319.81 = 104,048.72 : x
  2. Step 2: Convert to fraction form
    190,089.75/262,319.81 = 104,048.72/x
  3. Step 3: Cross multiply
    190,089.75x = 262,319.81 × 104,048.72
  4. Step 4: Simplify right side
    190,089.75x = 27,294,038,629.30
  5. Step 5: Solve for x
    x = 27,294,038,629.30/190,089.75
  6. Step 6: Final answer
    x = 143,585.01

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1.5x scale

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.