Home / 180,828.60-249,558.26-100,281.40

Finding the Fourth Proportional to 180,828.60, 249,558.26 and 100,281.40

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Solution

The fourth proportional to 180,828.60, 249,558.26 and 100,281.40 is: 138,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,828.60 : 249,558.26 = 100,281.40 : x
  2. Step 2: Convert to fraction form
    180,828.60/249,558.26 = 100,281.40/x
  3. Step 3: Cross multiply
    180,828.60x = 249,558.26 × 100,281.40
  4. Step 4: Simplify right side
    180,828.60x = 25,026,051,694.36
  5. Step 5: Solve for x
    x = 25,026,051,694.36/180,828.60
  6. Step 6: Final answer
    x = 138,396.54

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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.