Home / 151,711.95-209,319.34-91,252.34

Finding the Fourth Proportional to 151,711.95, 209,319.34 and 91,252.34

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Solution

The fourth proportional to 151,711.95, 209,319.34 and 91,252.34 is: 125,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711.95 : 209,319.34 = 91,252.34 : x
  2. Step 2: Convert to fraction form
    151,711.95/209,319.34 = 91,252.34/x
  3. Step 3: Cross multiply
    151,711.95x = 209,319.34 × 91,252.34
  4. Step 4: Simplify right side
    151,711.95x = 19,100,879,263.57
  5. Step 5: Solve for x
    x = 19,100,879,263.57/151,711.95
  6. Step 6: Final answer
    x = 125,902.27

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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.