Home / 189,359.19-284,417.10-118,408.05

Finding the Fourth Proportional to 189,359.19, 284,417.10 and 118,408.05

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Solution

The fourth proportional to 189,359.19, 284,417.10 and 118,408.05 is: 177,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,359.19 : 284,417.10 = 118,408.05 : x
  2. Step 2: Convert to fraction form
    189,359.19/284,417.10 = 118,408.05/x
  3. Step 3: Cross multiply
    189,359.19x = 284,417.10 × 118,408.05
  4. Step 4: Simplify right side
    189,359.19x = 33,677,274,197.66
  5. Step 5: Solve for x
    x = 33,677,274,197.66/189,359.19
  6. Step 6: Final answer
    x = 177,848.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.