Home / 104,595.40-156,805.26-72,912.34

Finding the Fourth Proportional to 104,595.40, 156,805.26 and 72,912.34

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Solution

The fourth proportional to 104,595.40, 156,805.26 and 72,912.34 is: 109,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,595.40 : 156,805.26 = 72,912.34 : x
  2. Step 2: Convert to fraction form
    104,595.40/156,805.26 = 72,912.34/x
  3. Step 3: Cross multiply
    104,595.40x = 156,805.26 × 72,912.34
  4. Step 4: Simplify right side
    104,595.40x = 11,433,038,430.91
  5. Step 5: Solve for x
    x = 11,433,038,430.91/104,595.40
  6. Step 6: Final answer
    x = 109,307.28

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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.