Home / 228,133.60-342,175.74-76,313.47

Finding the Fourth Proportional to 228,133.60, 342,175.74 and 76,313.47

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Solution

The fourth proportional to 228,133.60, 342,175.74 and 76,313.47 is: 114,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,133.60 : 342,175.74 = 76,313.47 : x
  2. Step 2: Convert to fraction form
    228,133.60/342,175.74 = 76,313.47/x
  3. Step 3: Cross multiply
    228,133.60x = 342,175.74 × 76,313.47
  4. Step 4: Simplify right side
    228,133.60x = 26,112,617,213.78
  5. Step 5: Solve for x
    x = 26,112,617,213.78/228,133.60
  6. Step 6: Final answer
    x = 114,461.95

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1.5x scale

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.