Home / 255,039.00-382,605.21-105,197.55

Finding the Fourth Proportional to 255,039.00, 382,605.21 and 105,197.55

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Solution

The fourth proportional to 255,039.00, 382,605.21 and 105,197.55 is: 157,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,039.00 : 382,605.21 = 105,197.55 : x
  2. Step 2: Convert to fraction form
    255,039.00/382,605.21 = 105,197.55/x
  3. Step 3: Cross multiply
    255,039.00x = 382,605.21 × 105,197.55
  4. Step 4: Simplify right side
    255,039.00x = 40,249,130,592.71
  5. Step 5: Solve for x
    x = 40,249,130,592.71/255,039.00
  6. Step 6: Final answer
    x = 157,815.59

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1.5x scale

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.