Home / 94,187.34-141,268.86-78,490.35

Finding the Fourth Proportional to 94,187.34, 141,268.86 and 78,490.35

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Solution

The fourth proportional to 94,187.34, 141,268.86 and 78,490.35 is: 117,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,187.34 : 141,268.86 = 78,490.35 : x
  2. Step 2: Convert to fraction form
    94,187.34/141,268.86 = 78,490.35/x
  3. Step 3: Cross multiply
    94,187.34x = 141,268.86 × 78,490.35
  4. Step 4: Simplify right side
    94,187.34x = 11,088,242,265.50
  5. Step 5: Solve for x
    x = 11,088,242,265.50/94,187.34
  6. Step 6: Final answer
    x = 117,725.40

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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.