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Finding the Fourth Proportional to 174,075, 240,223.80 and 98,628.60

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Solution

The fourth proportional to 174,075, 240,223.80 and 98,628.60 is: 136,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,075 : 240,223.80 = 98,628.60 : x
  2. Step 2: Convert to fraction form
    174,075/240,223.80 = 98,628.60/x
  3. Step 3: Cross multiply
    174,075x = 240,223.80 × 98,628.60
  4. Step 4: Simplify right side
    174,075x = 23,692,937,080.68
  5. Step 5: Solve for x
    x = 23,692,937,080.68/174,075
  6. Step 6: Final answer
    x = 136,107.64

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1.5x scale

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.