Home / 154,895.22-213,826.23-119,072.70

Finding the Fourth Proportional to 154,895.22, 213,826.23 and 119,072.70

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Solution

The fourth proportional to 154,895.22, 213,826.23 and 119,072.70 is: 164,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,895.22 : 213,826.23 = 119,072.70 : x
  2. Step 2: Convert to fraction form
    154,895.22/213,826.23 = 119,072.70/x
  3. Step 3: Cross multiply
    154,895.22x = 213,826.23 × 119,072.70
  4. Step 4: Simplify right side
    154,895.22x = 25,460,866,536.92
  5. Step 5: Solve for x
    x = 25,460,866,536.92/154,895.22
  6. Step 6: Final answer
    x = 164,374.77

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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.