Home / 260,681.12-359,656.34-145,942.89

Finding the Fourth Proportional to 260,681.12, 359,656.34 and 145,942.89

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Solution

The fourth proportional to 260,681.12, 359,656.34 and 145,942.89 is: 201,354.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,681.12 : 359,656.34 = 145,942.89 : x
  2. Step 2: Convert to fraction form
    260,681.12/359,656.34 = 145,942.89/x
  3. Step 3: Cross multiply
    260,681.12x = 359,656.34 × 145,942.89
  4. Step 4: Simplify right side
    260,681.12x = 52,489,285,666.42
  5. Step 5: Solve for x
    x = 52,489,285,666.42/260,681.12
  6. Step 6: Final answer
    x = 201,354.38

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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.