Home / 102,212.34-141,053.77-56,892.23

Finding the Fourth Proportional to 102,212.34, 141,053.77 and 56,892.23

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Solution

The fourth proportional to 102,212.34, 141,053.77 and 56,892.23 is: 78,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.34 : 141,053.77 = 56,892.23 : x
  2. Step 2: Convert to fraction form
    102,212.34/141,053.77 = 56,892.23/x
  3. Step 3: Cross multiply
    102,212.34x = 141,053.77 × 56,892.23
  4. Step 4: Simplify right side
    102,212.34x = 8,024,863,525.21
  5. Step 5: Solve for x
    x = 8,024,863,525.21/102,212.34
  6. Step 6: Final answer
    x = 78,511.69

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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.