Home / 260,238.72-359,130.09-145,521.53

Finding the Fourth Proportional to 260,238.72, 359,130.09 and 145,521.53

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Solution

The fourth proportional to 260,238.72, 359,130.09 and 145,521.53 is: 200,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,238.72 : 359,130.09 = 145,521.53 : x
  2. Step 2: Convert to fraction form
    260,238.72/359,130.09 = 145,521.53/x
  3. Step 3: Cross multiply
    260,238.72x = 359,130.09 × 145,521.53
  4. Step 4: Simplify right side
    260,238.72x = 52,261,157,642.58
  5. Step 5: Solve for x
    x = 52,261,157,642.58/260,238.72
  6. Step 6: Final answer
    x = 200,820.07

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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.