Home / 180,054.72-248,490.06-99,489.30

Finding the Fourth Proportional to 180,054.72, 248,490.06 and 99,489.30

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Solution

The fourth proportional to 180,054.72, 248,490.06 and 99,489.30 is: 137,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,054.72 : 248,490.06 = 99,489.30 : x
  2. Step 2: Convert to fraction form
    180,054.72/248,490.06 = 99,489.30/x
  3. Step 3: Cross multiply
    180,054.72x = 248,490.06 × 99,489.30
  4. Step 4: Simplify right side
    180,054.72x = 24,722,102,126.36
  5. Step 5: Solve for x
    x = 24,722,102,126.36/180,054.72
  6. Step 6: Final answer
    x = 137,303.27

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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.