Home / 180,000.23-248,398.75-99,433.37

Finding the Fourth Proportional to 180,000.23, 248,398.75 and 99,433.37

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Solution

The fourth proportional to 180,000.23, 248,398.75 and 99,433.37 is: 137,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,000.23 : 248,398.75 = 99,433.37 : x
  2. Step 2: Convert to fraction form
    180,000.23/248,398.75 = 99,433.37/x
  3. Step 3: Cross multiply
    180,000.23x = 248,398.75 × 99,433.37
  4. Step 4: Simplify right side
    180,000.23x = 24,699,125,561.58
  5. Step 5: Solve for x
    x = 24,699,125,561.58/180,000.23
  6. Step 6: Final answer
    x = 137,217.19

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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.