Home / 137,384.37-189,492.08-126,090.27

Finding the Fourth Proportional to 137,384.37, 189,492.08 and 126,090.27

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Solution

The fourth proportional to 137,384.37, 189,492.08 and 126,090.27 is: 173,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,384.37 : 189,492.08 = 126,090.27 : x
  2. Step 2: Convert to fraction form
    137,384.37/189,492.08 = 126,090.27/x
  3. Step 3: Cross multiply
    137,384.37x = 189,492.08 × 126,090.27
  4. Step 4: Simplify right side
    137,384.37x = 23,893,106,899.61
  5. Step 5: Solve for x
    x = 23,893,106,899.61/137,384.37
  6. Step 6: Final answer
    x = 173,914.30

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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.