Home / 212,346.37-318,252.84-127,020.16

Finding the Fourth Proportional to 212,346.37, 318,252.84 and 127,020.16

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Solution

The fourth proportional to 212,346.37, 318,252.84 and 127,020.16 is: 190,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,346.37 : 318,252.84 = 127,020.16 : x
  2. Step 2: Convert to fraction form
    212,346.37/318,252.84 = 127,020.16/x
  3. Step 3: Cross multiply
    212,346.37x = 318,252.84 × 127,020.16
  4. Step 4: Simplify right side
    212,346.37x = 40,424,526,657.25
  5. Step 5: Solve for x
    x = 40,424,526,657.25/212,346.37
  6. Step 6: Final answer
    x = 190,370.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.