Home / 102,203.27-141,039.10-56,881.24

Finding the Fourth Proportional to 102,203.27, 141,039.10 and 56,881.24

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Solution

The fourth proportional to 102,203.27, 141,039.10 and 56,881.24 is: 78,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,203.27 : 141,039.10 = 56,881.24 : x
  2. Step 2: Convert to fraction form
    102,203.27/141,039.10 = 56,881.24/x
  3. Step 3: Cross multiply
    102,203.27x = 141,039.10 × 56,881.24
  4. Step 4: Simplify right side
    102,203.27x = 8,022,478,401.68
  5. Step 5: Solve for x
    x = 8,022,478,401.68/102,203.27
  6. Step 6: Final answer
    x = 78,495.32

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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.