Home / 180,452.07-248,989.28-99,875.79

Finding the Fourth Proportional to 180,452.07, 248,989.28 and 99,875.79

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Solution

The fourth proportional to 180,452.07, 248,989.28 and 99,875.79 is: 137,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,452.07 : 248,989.28 = 99,875.79 : x
  2. Step 2: Convert to fraction form
    180,452.07/248,989.28 = 99,875.79/x
  3. Step 3: Cross multiply
    180,452.07x = 248,989.28 × 99,875.79
  4. Step 4: Simplify right side
    180,452.07x = 24,868,000,542.15
  5. Step 5: Solve for x
    x = 24,868,000,542.15/180,452.07
  6. Step 6: Final answer
    x = 137,809.45

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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.