Home / 180,145.86-248,616.63-104,689.50

Finding the Fourth Proportional to 180,145.86, 248,616.63 and 104,689.50

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Solution

The fourth proportional to 180,145.86, 248,616.63 and 104,689.50 is: 144,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,145.86 : 248,616.63 = 104,689.50 : x
  2. Step 2: Convert to fraction form
    180,145.86/248,616.63 = 104,689.50/x
  3. Step 3: Cross multiply
    180,145.86x = 248,616.63 × 104,689.50
  4. Step 4: Simplify right side
    180,145.86x = 26,027,550,686.39
  5. Step 5: Solve for x
    x = 26,027,550,686.39/180,145.86
  6. Step 6: Final answer
    x = 144,480.43

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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.