Home / 213,960.26-295,275.30-129,075.50

Finding the Fourth Proportional to 213,960.26, 295,275.30 and 129,075.50

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Solution

The fourth proportional to 213,960.26, 295,275.30 and 129,075.50 is: 178,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,960.26 : 295,275.30 = 129,075.50 : x
  2. Step 2: Convert to fraction form
    213,960.26/295,275.30 = 129,075.50/x
  3. Step 3: Cross multiply
    213,960.26x = 295,275.30 × 129,075.50
  4. Step 4: Simplify right side
    213,960.26x = 38,112,806,985.15
  5. Step 5: Solve for x
    x = 38,112,806,985.15/213,960.26
  6. Step 6: Final answer
    x = 178,130.31

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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.