Home / 230,636.84-318,271.14-135,141.48

Finding the Fourth Proportional to 230,636.84, 318,271.14 and 135,141.48

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Solution

The fourth proportional to 230,636.84, 318,271.14 and 135,141.48 is: 186,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,636.84 : 318,271.14 = 135,141.48 : x
  2. Step 2: Convert to fraction form
    230,636.84/318,271.14 = 135,141.48/x
  3. Step 3: Cross multiply
    230,636.84x = 318,271.14 × 135,141.48
  4. Step 4: Simplify right side
    230,636.84x = 43,011,632,900.89
  5. Step 5: Solve for x
    x = 43,011,632,900.89/230,636.84
  6. Step 6: Final answer
    x = 186,490.74

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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.