Home / 102,330.03-141,204.48-56,999.28

Finding the Fourth Proportional to 102,330.03, 141,204.48 and 56,999.28

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Solution

The fourth proportional to 102,330.03, 141,204.48 and 56,999.28 is: 78,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.03 : 141,204.48 = 56,999.28 : x
  2. Step 2: Convert to fraction form
    102,330.03/141,204.48 = 56,999.28/x
  3. Step 3: Cross multiply
    102,330.03x = 141,204.48 × 56,999.28
  4. Step 4: Simplify right side
    102,330.03x = 8,048,553,692.77
  5. Step 5: Solve for x
    x = 8,048,553,692.77/102,330.03
  6. Step 6: Final answer
    x = 78,652.90

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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.