Home / 213,374.19-294,464.85-122,730.06

Finding the Fourth Proportional to 213,374.19, 294,464.85 and 122,730.06

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Solution

The fourth proportional to 213,374.19, 294,464.85 and 122,730.06 is: 169,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,374.19 : 294,464.85 = 122,730.06 : x
  2. Step 2: Convert to fraction form
    213,374.19/294,464.85 = 122,730.06/x
  3. Step 3: Cross multiply
    213,374.19x = 294,464.85 × 122,730.06
  4. Step 4: Simplify right side
    213,374.19x = 36,139,688,708.39
  5. Step 5: Solve for x
    x = 36,139,688,708.39/213,374.19
  6. Step 6: Final answer
    x = 169,372.35

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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.