Home / 250,389.12-345,536.43-135,670.89

Finding the Fourth Proportional to 250,389.12, 345,536.43 and 135,670.89

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Solution

The fourth proportional to 250,389.12, 345,536.43 and 135,670.89 is: 187,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,389.12 : 345,536.43 = 135,670.89 : x
  2. Step 2: Convert to fraction form
    250,389.12/345,536.43 = 135,670.89/x
  3. Step 3: Cross multiply
    250,389.12x = 345,536.43 × 135,670.89
  4. Step 4: Simplify right side
    250,389.12x = 46,879,234,106.11
  5. Step 5: Solve for x
    x = 46,879,234,106.11/250,389.12
  6. Step 6: Final answer
    x = 187,225.53

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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.