Home / 189,932.02-262,088.58-105,047.26

Finding the Fourth Proportional to 189,932.02, 262,088.58 and 105,047.26

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Solution

The fourth proportional to 189,932.02, 262,088.58 and 105,047.26 is: 144,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.02 : 262,088.58 = 105,047.26 : x
  2. Step 2: Convert to fraction form
    189,932.02/262,088.58 = 105,047.26/x
  3. Step 3: Cross multiply
    189,932.02x = 262,088.58 × 105,047.26
  4. Step 4: Simplify right side
    189,932.02x = 27,531,687,206.29
  5. Step 5: Solve for x
    x = 27,531,687,206.29/189,932.02
  6. Step 6: Final answer
    x = 144,955.48

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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.