Home / 140,075.22-210,015.63-51,316.50

Finding the Fourth Proportional to 140,075.22, 210,015.63 and 51,316.50

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Solution

The fourth proportional to 140,075.22, 210,015.63 and 51,316.50 is: 76,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.22 : 210,015.63 = 51,316.50 : x
  2. Step 2: Convert to fraction form
    140,075.22/210,015.63 = 51,316.50/x
  3. Step 3: Cross multiply
    140,075.22x = 210,015.63 × 51,316.50
  4. Step 4: Simplify right side
    140,075.22x = 10,777,267,076.90
  5. Step 5: Solve for x
    x = 10,777,267,076.90/140,075.22
  6. Step 6: Final answer
    x = 76,939.14

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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.