Home / 255,182.06-382,914.03-105,387.50

Finding the Fourth Proportional to 255,182.06, 382,914.03 and 105,387.50

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Solution

The fourth proportional to 255,182.06, 382,914.03 and 105,387.50 is: 158,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,182.06 : 382,914.03 = 105,387.50 : x
  2. Step 2: Convert to fraction form
    255,182.06/382,914.03 = 105,387.50/x
  3. Step 3: Cross multiply
    255,182.06x = 382,914.03 × 105,387.50
  4. Step 4: Simplify right side
    255,182.06x = 40,354,352,336.63
  5. Step 5: Solve for x
    x = 40,354,352,336.63/255,182.06
  6. Step 6: Final answer
    x = 158,139.46

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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.