Home / 115,290.84-172,941.56-35,323.08

Finding the Fourth Proportional to 115,290.84, 172,941.56 and 35,323.08

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Solution

The fourth proportional to 115,290.84, 172,941.56 and 35,323.08 is: 52,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,290.84 : 172,941.56 = 35,323.08 : x
  2. Step 2: Convert to fraction form
    115,290.84/172,941.56 = 35,323.08/x
  3. Step 3: Cross multiply
    115,290.84x = 172,941.56 × 35,323.08
  4. Step 4: Simplify right side
    115,290.84x = 6,108,828,559.20
  5. Step 5: Solve for x
    x = 6,108,828,559.20/115,290.84
  6. Step 6: Final answer
    x = 52,986.24

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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.