Home / 135,444.35-186,907.69-75,011.39

Finding the Fourth Proportional to 135,444.35, 186,907.69 and 75,011.39

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Solution

The fourth proportional to 135,444.35, 186,907.69 and 75,011.39 is: 103,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,444.35 : 186,907.69 = 75,011.39 : x
  2. Step 2: Convert to fraction form
    135,444.35/186,907.69 = 75,011.39/x
  3. Step 3: Cross multiply
    135,444.35x = 186,907.69 × 75,011.39
  4. Step 4: Simplify right side
    135,444.35x = 14,020,205,628.59
  5. Step 5: Solve for x
    x = 14,020,205,628.59/135,444.35
  6. Step 6: Final answer
    x = 103,512.67

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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.