Home / 180,969.06-249,737.62-100,396.59

Finding the Fourth Proportional to 180,969.06, 249,737.62 and 100,396.59

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Solution

The fourth proportional to 180,969.06, 249,737.62 and 100,396.59 is: 138,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,969.06 : 249,737.62 = 100,396.59 : x
  2. Step 2: Convert to fraction form
    180,969.06/249,737.62 = 100,396.59/x
  3. Step 3: Cross multiply
    180,969.06x = 249,737.62 × 100,396.59
  4. Step 4: Simplify right side
    180,969.06x = 25,072,805,442.72
  5. Step 5: Solve for x
    x = 25,072,805,442.72/180,969.06
  6. Step 6: Final answer
    x = 138,547.47

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1.5x scale

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.