Home / 180,505.29-249,095.60-103,996.29

Finding the Fourth Proportional to 180,505.29, 249,095.60 and 103,996.29

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Solution

The fourth proportional to 180,505.29, 249,095.60 and 103,996.29 is: 143,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,505.29 : 249,095.60 = 103,996.29 : x
  2. Step 2: Convert to fraction form
    180,505.29/249,095.60 = 103,996.29/x
  3. Step 3: Cross multiply
    180,505.29x = 249,095.60 × 103,996.29
  4. Step 4: Simplify right side
    180,505.29x = 25,905,017,735.34
  5. Step 5: Solve for x
    x = 25,905,017,735.34/180,505.29
  6. Step 6: Final answer
    x = 143,513.90

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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.