Home / 130,723.32-196,075.42-74,386.66

Finding the Fourth Proportional to 130,723.32, 196,075.42 and 74,386.66

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Solution

The fourth proportional to 130,723.32, 196,075.42 and 74,386.66 is: 111,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,723.32 : 196,075.42 = 74,386.66 : x
  2. Step 2: Convert to fraction form
    130,723.32/196,075.42 = 74,386.66/x
  3. Step 3: Cross multiply
    130,723.32x = 196,075.42 × 74,386.66
  4. Step 4: Simplify right side
    130,723.32x = 14,585,395,601.90
  5. Step 5: Solve for x
    x = 14,585,395,601.90/130,723.32
  6. Step 6: Final answer
    x = 111,574.55

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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.