Home / 122,176.08-168,602.77-74,429.43

Finding the Fourth Proportional to 122,176.08, 168,602.77 and 74,429.43

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Solution

The fourth proportional to 122,176.08, 168,602.77 and 74,429.43 is: 102,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,176.08 : 168,602.77 = 74,429.43 : x
  2. Step 2: Convert to fraction form
    122,176.08/168,602.77 = 74,429.43/x
  3. Step 3: Cross multiply
    122,176.08x = 168,602.77 × 74,429.43
  4. Step 4: Simplify right side
    122,176.08x = 12,549,008,058.02
  5. Step 5: Solve for x
    x = 12,549,008,058.02/122,176.08
  6. Step 6: Final answer
    x = 102,712.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.