Home / 130,386.98-179,919.14-73,018.32

Finding the Fourth Proportional to 130,386.98, 179,919.14 and 73,018.32

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Solution

The fourth proportional to 130,386.98, 179,919.14 and 73,018.32 is: 100,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386.98 : 179,919.14 = 73,018.32 : x
  2. Step 2: Convert to fraction form
    130,386.98/179,919.14 = 73,018.32/x
  3. Step 3: Cross multiply
    130,386.98x = 179,919.14 × 73,018.32
  4. Step 4: Simplify right side
    130,386.98x = 13,137,392,973.55
  5. Step 5: Solve for x
    x = 13,137,392,973.55/130,386.98
  6. Step 6: Final answer
    x = 100,756.94

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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.