Home / 189,870.77-262,014.59-104,989.25

Finding the Fourth Proportional to 189,870.77, 262,014.59 and 104,989.25

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Solution

The fourth proportional to 189,870.77, 262,014.59 and 104,989.25 is: 144,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,870.77 : 262,014.59 = 104,989.25 : x
  2. Step 2: Convert to fraction form
    189,870.77/262,014.59 = 104,989.25/x
  3. Step 3: Cross multiply
    189,870.77x = 262,014.59 × 104,989.25
  4. Step 4: Simplify right side
    189,870.77x = 27,508,713,458.14
  5. Step 5: Solve for x
    x = 27,508,713,458.14/189,870.77
  6. Step 6: Final answer
    x = 144,881.25

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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.