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Finding the Fourth Proportional to 97,586.88, 146,030.40 and 84,484.32

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Solution

The fourth proportional to 97,586.88, 146,030.40 and 84,484.32 is: 126,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,586.88 : 146,030.40 = 84,484.32 : x
  2. Step 2: Convert to fraction form
    97,586.88/146,030.40 = 84,484.32/x
  3. Step 3: Cross multiply
    97,586.88x = 146,030.40 × 84,484.32
  4. Step 4: Simplify right side
    97,586.88x = 12,337,279,043.33
  5. Step 5: Solve for x
    x = 12,337,279,043.33/97,586.88
  6. Step 6: Final answer
    x = 126,423.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.