Home / 189,877.74-262,030.58-107,085.14

Finding the Fourth Proportional to 189,877.74, 262,030.58 and 107,085.14

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Solution

The fourth proportional to 189,877.74, 262,030.58 and 107,085.14 is: 147,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,877.74 : 262,030.58 = 107,085.14 : x
  2. Step 2: Convert to fraction form
    189,877.74/262,030.58 = 107,085.14/x
  3. Step 3: Cross multiply
    189,877.74x = 262,030.58 × 107,085.14
  4. Step 4: Simplify right side
    189,877.74x = 28,059,581,343.58
  5. Step 5: Solve for x
    x = 28,059,581,343.58/189,877.74
  6. Step 6: Final answer
    x = 147,777.10

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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.