Home / 109,175.07-163,762.59-30,289.26

Finding the Fourth Proportional to 109,175.07, 163,762.59 and 30,289.26

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Solution

The fourth proportional to 109,175.07, 163,762.59 and 30,289.26 is: 45,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,175.07 : 163,762.59 = 30,289.26 : x
  2. Step 2: Convert to fraction form
    109,175.07/163,762.59 = 30,289.26/x
  3. Step 3: Cross multiply
    109,175.07x = 163,762.59 × 30,289.26
  4. Step 4: Simplify right side
    109,175.07x = 4,960,247,666.78
  5. Step 5: Solve for x
    x = 4,960,247,666.78/109,175.07
  6. Step 6: Final answer
    x = 45,433.89

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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.