Home / 170,485.42-235,370.69-151,570.21

Finding the Fourth Proportional to 170,485.42, 235,370.69 and 151,570.21

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Solution

The fourth proportional to 170,485.42, 235,370.69 and 151,570.21 is: 209,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,485.42 : 235,370.69 = 151,570.21 : x
  2. Step 2: Convert to fraction form
    170,485.42/235,370.69 = 151,570.21/x
  3. Step 3: Cross multiply
    170,485.42x = 235,370.69 × 151,570.21
  4. Step 4: Simplify right side
    170,485.42x = 35,675,184,911.14
  5. Step 5: Solve for x
    x = 35,675,184,911.14/170,485.42
  6. Step 6: Final answer
    x = 209,256.52

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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.