Home / 137,724.02-190,043.49-77,282.18

Finding the Fourth Proportional to 137,724.02, 190,043.49 and 77,282.18

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Solution

The fourth proportional to 137,724.02, 190,043.49 and 77,282.18 is: 106,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,724.02 : 190,043.49 = 77,282.18 : x
  2. Step 2: Convert to fraction form
    137,724.02/190,043.49 = 77,282.18/x
  3. Step 3: Cross multiply
    137,724.02x = 190,043.49 × 77,282.18
  4. Step 4: Simplify right side
    137,724.02x = 14,686,975,202.01
  5. Step 5: Solve for x
    x = 14,686,975,202.01/137,724.02
  6. Step 6: Final answer
    x = 106,640.62

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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.