Home / 102,220.59-141,063.32-56,897.85

Finding the Fourth Proportional to 102,220.59, 141,063.32 and 56,897.85

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Solution

The fourth proportional to 102,220.59, 141,063.32 and 56,897.85 is: 78,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,220.59 : 141,063.32 = 56,897.85 : x
  2. Step 2: Convert to fraction form
    102,220.59/141,063.32 = 56,897.85/x
  3. Step 3: Cross multiply
    102,220.59x = 141,063.32 × 56,897.85
  4. Step 4: Simplify right side
    102,220.59x = 8,026,199,337.37
  5. Step 5: Solve for x
    x = 8,026,199,337.37/102,220.59
  6. Step 6: Final answer
    x = 78,518.42

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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.