Home / 102,220.35-141,064.07-56,897.36

Finding the Fourth Proportional to 102,220.35, 141,064.07 and 56,897.36

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Solution

The fourth proportional to 102,220.35, 141,064.07 and 56,897.36 is: 78,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,220.35 : 141,064.07 = 56,897.36 : x
  2. Step 2: Convert to fraction form
    102,220.35/141,064.07 = 56,897.36/x
  3. Step 3: Cross multiply
    102,220.35x = 141,064.07 × 56,897.36
  4. Step 4: Simplify right side
    102,220.35x = 8,026,172,610.78
  5. Step 5: Solve for x
    x = 8,026,172,610.78/102,220.35
  6. Step 6: Final answer
    x = 78,518.34

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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.