Home / 134,674.84-185,867.58-78,088.60

Finding the Fourth Proportional to 134,674.84, 185,867.58 and 78,088.60

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Solution

The fourth proportional to 134,674.84, 185,867.58 and 78,088.60 is: 107,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,674.84 : 185,867.58 = 78,088.60 : x
  2. Step 2: Convert to fraction form
    134,674.84/185,867.58 = 78,088.60/x
  3. Step 3: Cross multiply
    134,674.84x = 185,867.58 × 78,088.60
  4. Step 4: Simplify right side
    134,674.84x = 14,514,139,107.59
  5. Step 5: Solve for x
    x = 14,514,139,107.59/134,674.84
  6. Step 6: Final answer
    x = 107,771.72

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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.