Home / 179,633.77-247,909.37-99,077.05

Finding the Fourth Proportional to 179,633.77, 247,909.37 and 99,077.05

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Solution

The fourth proportional to 179,633.77, 247,909.37 and 99,077.05 is: 136,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.77 : 247,909.37 = 99,077.05 : x
  2. Step 2: Convert to fraction form
    179,633.77/247,909.37 = 99,077.05/x
  3. Step 3: Cross multiply
    179,633.77x = 247,909.37 × 99,077.05
  4. Step 4: Simplify right side
    179,633.77x = 24,562,129,046.96
  5. Step 5: Solve for x
    x = 24,562,129,046.96/179,633.77
  6. Step 6: Final answer
    x = 136,734.47

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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.