Home / 190,182.13-285,166.47-130,278.31

Finding the Fourth Proportional to 190,182.13, 285,166.47 and 130,278.31

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Solution

The fourth proportional to 190,182.13, 285,166.47 and 130,278.31 is: 195,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,182.13 : 285,166.47 = 130,278.31 : x
  2. Step 2: Convert to fraction form
    190,182.13/285,166.47 = 130,278.31/x
  3. Step 3: Cross multiply
    190,182.13x = 285,166.47 × 130,278.31
  4. Step 4: Simplify right side
    190,182.13x = 37,151,004,354.43
  5. Step 5: Solve for x
    x = 37,151,004,354.43/190,182.13
  6. Step 6: Final answer
    x = 195,344.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.