Home / 189,897.20-262,171.85-118,374.13

Finding the Fourth Proportional to 189,897.20, 262,171.85 and 118,374.13

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Solution

The fourth proportional to 189,897.20, 262,171.85 and 118,374.13 is: 163,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,897.20 : 262,171.85 = 118,374.13 : x
  2. Step 2: Convert to fraction form
    189,897.20/262,171.85 = 118,374.13/x
  3. Step 3: Cross multiply
    189,897.20x = 262,171.85 × 118,374.13
  4. Step 4: Simplify right side
    189,897.20x = 31,034,364,654.24
  5. Step 5: Solve for x
    x = 31,034,364,654.24/189,897.20
  6. Step 6: Final answer
    x = 163,427.18

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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.