Home / 130,075.49-179,533.11-79,077.41

Finding the Fourth Proportional to 130,075.49, 179,533.11 and 79,077.41

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Solution

The fourth proportional to 130,075.49, 179,533.11 and 79,077.41 is: 109,144.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,075.49 : 179,533.11 = 79,077.41 : x
  2. Step 2: Convert to fraction form
    130,075.49/179,533.11 = 79,077.41/x
  3. Step 3: Cross multiply
    130,075.49x = 179,533.11 × 79,077.41
  4. Step 4: Simplify right side
    130,075.49x = 14,197,012,450.38
  5. Step 5: Solve for x
    x = 14,197,012,450.38/130,075.49
  6. Step 6: Final answer
    x = 109,144.41

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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.