Home / 179,646.40-247,913.80-99,077.20

Finding the Fourth Proportional to 179,646.40, 247,913.80 and 99,077.20

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Solution

The fourth proportional to 179,646.40, 247,913.80 and 99,077.20 is: 136,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,646.40 : 247,913.80 = 99,077.20 : x
  2. Step 2: Convert to fraction form
    179,646.40/247,913.80 = 99,077.20/x
  3. Step 3: Cross multiply
    179,646.40x = 247,913.80 × 99,077.20
  4. Step 4: Simplify right side
    179,646.40x = 24,562,605,145.36
  5. Step 5: Solve for x
    x = 24,562,605,145.36/179,646.40
  6. Step 6: Final answer
    x = 136,727.51

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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.