Home / 180,025.79-248,428.08-103,539.11

Finding the Fourth Proportional to 180,025.79, 248,428.08 and 103,539.11

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Solution

The fourth proportional to 180,025.79, 248,428.08 and 103,539.11 is: 142,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,025.79 : 248,428.08 = 103,539.11 : x
  2. Step 2: Convert to fraction form
    180,025.79/248,428.08 = 103,539.11/x
  3. Step 3: Cross multiply
    180,025.79x = 248,428.08 × 103,539.11
  4. Step 4: Simplify right side
    180,025.79x = 25,722,021,060.07
  5. Step 5: Solve for x
    x = 25,722,021,060.07/180,025.79
  6. Step 6: Final answer
    x = 142,879.65

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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.