Home / 122,006.21-168,359.37-74,254.28

Finding the Fourth Proportional to 122,006.21, 168,359.37 and 74,254.28

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Solution

The fourth proportional to 122,006.21, 168,359.37 and 74,254.28 is: 102,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,006.21 : 168,359.37 = 74,254.28 : x
  2. Step 2: Convert to fraction form
    122,006.21/168,359.37 = 74,254.28/x
  3. Step 3: Cross multiply
    122,006.21x = 168,359.37 × 74,254.28
  4. Step 4: Simplify right side
    122,006.21x = 12,501,402,958.81
  5. Step 5: Solve for x
    x = 12,501,402,958.81/122,006.21
  6. Step 6: Final answer
    x = 102,465.30

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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.