Home / 122,307.48-168,715.98-76,968.54

Finding the Fourth Proportional to 122,307.48, 168,715.98 and 76,968.54

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Solution

The fourth proportional to 122,307.48, 168,715.98 and 76,968.54 is: 106,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,307.48 : 168,715.98 = 76,968.54 : x
  2. Step 2: Convert to fraction form
    122,307.48/168,715.98 = 76,968.54/x
  3. Step 3: Cross multiply
    122,307.48x = 168,715.98 × 76,968.54
  4. Step 4: Simplify right side
    122,307.48x = 12,985,822,655.27
  5. Step 5: Solve for x
    x = 12,985,822,655.27/122,307.48
  6. Step 6: Final answer
    x = 106,173.58

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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.