Home / 130,982.95-196,492.92-42,256.36

Finding the Fourth Proportional to 130,982.95, 196,492.92 and 42,256.36

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Solution

The fourth proportional to 130,982.95, 196,492.92 and 42,256.36 is: 63,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982.95 : 196,492.92 = 42,256.36 : x
  2. Step 2: Convert to fraction form
    130,982.95/196,492.92 = 42,256.36/x
  3. Step 3: Cross multiply
    130,982.95x = 196,492.92 × 42,256.36
  4. Step 4: Simplify right side
    130,982.95x = 8,303,075,564.97
  5. Step 5: Solve for x
    x = 8,303,075,564.97/130,982.95
  6. Step 6: Final answer
    x = 63,390.51

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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.