Home / 180,154.37-248,608.64-99,579.82

Finding the Fourth Proportional to 180,154.37, 248,608.64 and 99,579.82

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Solution

The fourth proportional to 180,154.37, 248,608.64 and 99,579.82 is: 137,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.37 : 248,608.64 = 99,579.82 : x
  2. Step 2: Convert to fraction form
    180,154.37/248,608.64 = 99,579.82/x
  3. Step 3: Cross multiply
    180,154.37x = 248,608.64 × 99,579.82
  4. Step 4: Simplify right side
    180,154.37x = 24,756,402,378.60
  5. Step 5: Solve for x
    x = 24,756,402,378.60/180,154.37
  6. Step 6: Final answer
    x = 137,417.72

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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.