Home / 180,189.15-248,659.63-99,620.07

Finding the Fourth Proportional to 180,189.15, 248,659.63 and 99,620.07

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Solution

The fourth proportional to 180,189.15, 248,659.63 and 99,620.07 is: 137,474.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,189.15 : 248,659.63 = 99,620.07 : x
  2. Step 2: Convert to fraction form
    180,189.15/248,659.63 = 99,620.07/x
  3. Step 3: Cross multiply
    180,189.15x = 248,659.63 × 99,620.07
  4. Step 4: Simplify right side
    180,189.15x = 24,771,489,746.77
  5. Step 5: Solve for x
    x = 24,771,489,746.77/180,189.15
  6. Step 6: Final answer
    x = 137,474.92

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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.