Home / 190,275.60-262,579.68-109,702.68

Finding the Fourth Proportional to 190,275.60, 262,579.68 and 109,702.68

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Solution

The fourth proportional to 190,275.60, 262,579.68 and 109,702.68 is: 151,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,275.60 : 262,579.68 = 109,702.68 : x
  2. Step 2: Convert to fraction form
    190,275.60/262,579.68 = 109,702.68/x
  3. Step 3: Cross multiply
    190,275.60x = 262,579.68 × 109,702.68
  4. Step 4: Simplify right side
    190,275.60x = 28,805,694,609.54
  5. Step 5: Solve for x
    x = 28,805,694,609.54/190,275.60
  6. Step 6: Final answer
    x = 151,389.32

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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.