Home / 180,486.11-249,076.69-103,999.34

Finding the Fourth Proportional to 180,486.11, 249,076.69 and 103,999.34

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Solution

The fourth proportional to 180,486.11, 249,076.69 and 103,999.34 is: 143,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,486.11 : 249,076.69 = 103,999.34 : x
  2. Step 2: Convert to fraction form
    180,486.11/249,076.69 = 103,999.34/x
  3. Step 3: Cross multiply
    180,486.11x = 249,076.69 × 103,999.34
  4. Step 4: Simplify right side
    180,486.11x = 25,903,809,864.00
  5. Step 5: Solve for x
    x = 25,903,809,864.00/180,486.11
  6. Step 6: Final answer
    x = 143,522.45

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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.