Home / 122,114.56-168,533.04-74,374.84

Finding the Fourth Proportional to 122,114.56, 168,533.04 and 74,374.84

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Solution

The fourth proportional to 122,114.56, 168,533.04 and 74,374.84 is: 102,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.56 : 168,533.04 = 74,374.84 : x
  2. Step 2: Convert to fraction form
    122,114.56/168,533.04 = 74,374.84/x
  3. Step 3: Cross multiply
    122,114.56x = 168,533.04 × 74,374.84
  4. Step 4: Simplify right side
    122,114.56x = 12,534,617,884.71
  5. Step 5: Solve for x
    x = 12,534,617,884.71/122,114.56
  6. Step 6: Final answer
    x = 102,646.38

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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.