Home / 180,126.81-248,605.23-121,957.15

Finding the Fourth Proportional to 180,126.81, 248,605.23 and 121,957.15

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Solution

The fourth proportional to 180,126.81, 248,605.23 and 121,957.15 is: 168,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,126.81 : 248,605.23 = 121,957.15 : x
  2. Step 2: Convert to fraction form
    180,126.81/248,605.23 = 121,957.15/x
  3. Step 3: Cross multiply
    180,126.81x = 248,605.23 × 121,957.15
  4. Step 4: Simplify right side
    180,126.81x = 30,319,184,716.11
  5. Step 5: Solve for x
    x = 30,319,184,716.11/180,126.81
  6. Step 6: Final answer
    x = 168,321.34

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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.