Home / 255,987.12-353,261.16-142,810.08

Finding the Fourth Proportional to 255,987.12, 353,261.16 and 142,810.08

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Solution

The fourth proportional to 255,987.12, 353,261.16 and 142,810.08 is: 197,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,987.12 : 353,261.16 = 142,810.08 : x
  2. Step 2: Convert to fraction form
    255,987.12/353,261.16 = 142,810.08/x
  3. Step 3: Cross multiply
    255,987.12x = 353,261.16 × 142,810.08
  4. Step 4: Simplify right side
    255,987.12x = 50,449,254,520.49
  5. Step 5: Solve for x
    x = 50,449,254,520.49/255,987.12
  6. Step 6: Final answer
    x = 197,077.32

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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.