Home / 180,664.41-249,296.73-100,071.96

Finding the Fourth Proportional to 180,664.41, 249,296.73 and 100,071.96

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Solution

The fourth proportional to 180,664.41, 249,296.73 and 100,071.96 is: 138,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.41 : 249,296.73 = 100,071.96 : x
  2. Step 2: Convert to fraction form
    180,664.41/249,296.73 = 100,071.96/x
  3. Step 3: Cross multiply
    180,664.41x = 249,296.73 × 100,071.96
  4. Step 4: Simplify right side
    180,664.41x = 24,947,612,392.69
  5. Step 5: Solve for x
    x = 24,947,612,392.69/180,664.41
  6. Step 6: Final answer
    x = 138,088.14

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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.