Home / 135,621.07-203,403.80-51,352.16

Finding the Fourth Proportional to 135,621.07, 203,403.80 and 51,352.16

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Solution

The fourth proportional to 135,621.07, 203,403.80 and 51,352.16 is: 77,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,621.07 : 203,403.80 = 51,352.16 : x
  2. Step 2: Convert to fraction form
    135,621.07/203,403.80 = 51,352.16/x
  3. Step 3: Cross multiply
    135,621.07x = 203,403.80 × 51,352.16
  4. Step 4: Simplify right side
    135,621.07x = 10,445,224,482.21
  5. Step 5: Solve for x
    x = 10,445,224,482.21/135,621.07
  6. Step 6: Final answer
    x = 77,017.71

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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.