Home / 258,921.24-357,311.52-145,746.60

Finding the Fourth Proportional to 258,921.24, 357,311.52 and 145,746.60

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Solution

The fourth proportional to 258,921.24, 357,311.52 and 145,746.60 is: 201,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,921.24 : 357,311.52 = 145,746.60 : x
  2. Step 2: Convert to fraction form
    258,921.24/357,311.52 = 145,746.60/x
  3. Step 3: Cross multiply
    258,921.24x = 357,311.52 × 145,746.60
  4. Step 4: Simplify right side
    258,921.24x = 52,076,939,180.83
  5. Step 5: Solve for x
    x = 52,076,939,180.83/258,921.24
  6. Step 6: Final answer
    x = 201,130.43

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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.