Home / 122,208.96-168,655.08-68,511.24

Finding the Fourth Proportional to 122,208.96, 168,655.08 and 68,511.24

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Solution

The fourth proportional to 122,208.96, 168,655.08 and 68,511.24 is: 94,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,208.96 : 168,655.08 = 68,511.24 : x
  2. Step 2: Convert to fraction form
    122,208.96/168,655.08 = 68,511.24/x
  3. Step 3: Cross multiply
    122,208.96x = 168,655.08 × 68,511.24
  4. Step 4: Simplify right side
    122,208.96x = 11,554,768,663.10
  5. Step 5: Solve for x
    x = 11,554,768,663.10/122,208.96
  6. Step 6: Final answer
    x = 94,549.28

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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.