Home / 180,386.90-248,934.36-99,819.95

Finding the Fourth Proportional to 180,386.90, 248,934.36 and 99,819.95

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Solution

The fourth proportional to 180,386.90, 248,934.36 and 99,819.95 is: 137,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,386.90 : 248,934.36 = 99,819.95 : x
  2. Step 2: Convert to fraction form
    180,386.90/248,934.36 = 99,819.95/x
  3. Step 3: Cross multiply
    180,386.90x = 248,934.36 × 99,819.95
  4. Step 4: Simplify right side
    180,386.90x = 24,848,614,498.14
  5. Step 5: Solve for x
    x = 24,848,614,498.14/180,386.90
  6. Step 6: Final answer
    x = 137,751.77

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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.