Home / 153,237.60-229,429.80-78,195.60

Finding the Fourth Proportional to 153,237.60, 229,429.80 and 78,195.60

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Solution

The fourth proportional to 153,237.60, 229,429.80 and 78,195.60 is: 117,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,237.60 : 229,429.80 = 78,195.60 : x
  2. Step 2: Convert to fraction form
    153,237.60/229,429.80 = 78,195.60/x
  3. Step 3: Cross multiply
    153,237.60x = 229,429.80 × 78,195.60
  4. Step 4: Simplify right side
    153,237.60x = 17,940,400,868.88
  5. Step 5: Solve for x
    x = 17,940,400,868.88/153,237.60
  6. Step 6: Final answer
    x = 117,075.71

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1.5x scale

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.