Home / 102,203.52-141,039.44-56,881.49

Finding the Fourth Proportional to 102,203.52, 141,039.44 and 56,881.49

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Solution

The fourth proportional to 102,203.52, 141,039.44 and 56,881.49 is: 78,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,203.52 : 141,039.44 = 56,881.49 : x
  2. Step 2: Convert to fraction form
    102,203.52/141,039.44 = 56,881.49/x
  3. Step 3: Cross multiply
    102,203.52x = 141,039.44 × 56,881.49
  4. Step 4: Simplify right side
    102,203.52x = 8,022,533,495.97
  5. Step 5: Solve for x
    x = 8,022,533,495.97/102,203.52
  6. Step 6: Final answer
    x = 78,495.67

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1.5x scale

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.