Home / 194,225.60-290,647.20-134,782.40

Finding the Fourth Proportional to 194,225.60, 290,647.20 and 134,782.40

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Solution

The fourth proportional to 194,225.60, 290,647.20 and 134,782.40 is: 201,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,225.60 : 290,647.20 = 134,782.40 : x
  2. Step 2: Convert to fraction form
    194,225.60/290,647.20 = 134,782.40/x
  3. Step 3: Cross multiply
    194,225.60x = 290,647.20 × 134,782.40
  4. Step 4: Simplify right side
    194,225.60x = 39,174,127,169.28
  5. Step 5: Solve for x
    x = 39,174,127,169.28/194,225.60
  6. Step 6: Final answer
    x = 201,693.94

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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.