Home / 99,288.37-137,018.87-53,966.45

Finding the Fourth Proportional to 99,288.37, 137,018.87 and 53,966.45

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Solution

The fourth proportional to 99,288.37, 137,018.87 and 53,966.45 is: 74,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.37 : 137,018.87 = 53,966.45 : x
  2. Step 2: Convert to fraction form
    99,288.37/137,018.87 = 53,966.45/x
  3. Step 3: Cross multiply
    99,288.37x = 137,018.87 × 53,966.45
  4. Step 4: Simplify right side
    99,288.37x = 7,394,422,069.63
  5. Step 5: Solve for x
    x = 7,394,422,069.63/99,288.37
  6. Step 6: Final answer
    x = 74,474.20

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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.