Home / 170,485.12-255,739.36-58,136

Finding the Fourth Proportional to 170,485.12, 255,739.36 and 58,136

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Solution

The fourth proportional to 170,485.12, 255,739.36 and 58,136 is: 87,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,485.12 : 255,739.36 = 58,136 : x
  2. Step 2: Convert to fraction form
    170,485.12/255,739.36 = 58,136/x
  3. Step 3: Cross multiply
    170,485.12x = 255,739.36 × 58,136
  4. Step 4: Simplify right side
    170,485.12x = 14,867,663,432.96
  5. Step 5: Solve for x
    x = 14,867,663,432.96/170,485.12
  6. Step 6: Final answer
    x = 87,207.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.