Home / 130,368.62-179,911.25-85,075.58

Finding the Fourth Proportional to 130,368.62, 179,911.25 and 85,075.58

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Solution

The fourth proportional to 130,368.62, 179,911.25 and 85,075.58 is: 117,405.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.62 : 179,911.25 = 85,075.58 : x
  2. Step 2: Convert to fraction form
    130,368.62/179,911.25 = 85,075.58/x
  3. Step 3: Cross multiply
    130,368.62x = 179,911.25 × 85,075.58
  4. Step 4: Simplify right side
    130,368.62x = 15,306,052,617.34
  5. Step 5: Solve for x
    x = 15,306,052,617.34/130,368.62
  6. Step 6: Final answer
    x = 117,405.96

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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.