Home / 180,929.52-249,686.73-100,354.41

Finding the Fourth Proportional to 180,929.52, 249,686.73 and 100,354.41

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Solution

The fourth proportional to 180,929.52, 249,686.73 and 100,354.41 is: 138,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,929.52 : 249,686.73 = 100,354.41 : x
  2. Step 2: Convert to fraction form
    180,929.52/249,686.73 = 100,354.41/x
  3. Step 3: Cross multiply
    180,929.52x = 249,686.73 × 100,354.41
  4. Step 4: Simplify right side
    180,929.52x = 25,057,164,473.98
  5. Step 5: Solve for x
    x = 25,057,164,473.98/180,929.52
  6. Step 6: Final answer
    x = 138,491.30

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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.