Home / 121,625.04-182,313.54-68,923.20

Finding the Fourth Proportional to 121,625.04, 182,313.54 and 68,923.20

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Solution

The fourth proportional to 121,625.04, 182,313.54 and 68,923.20 is: 103,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,625.04 : 182,313.54 = 68,923.20 : x
  2. Step 2: Convert to fraction form
    121,625.04/182,313.54 = 68,923.20/x
  3. Step 3: Cross multiply
    121,625.04x = 182,313.54 × 68,923.20
  4. Step 4: Simplify right side
    121,625.04x = 12,565,632,580.13
  5. Step 5: Solve for x
    x = 12,565,632,580.13/121,625.04
  6. Step 6: Final answer
    x = 103,314.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.