Home / 192,205.90-288,308.85-103,632.40

Finding the Fourth Proportional to 192,205.90, 288,308.85 and 103,632.40

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Solution

The fourth proportional to 192,205.90, 288,308.85 and 103,632.40 is: 155,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,205.90 : 288,308.85 = 103,632.40 : x
  2. Step 2: Convert to fraction form
    192,205.90/288,308.85 = 103,632.40/x
  3. Step 3: Cross multiply
    192,205.90x = 288,308.85 × 103,632.40
  4. Step 4: Simplify right side
    192,205.90x = 29,878,138,066.74
  5. Step 5: Solve for x
    x = 29,878,138,066.74/192,205.90
  6. Step 6: Final answer
    x = 155,448.60

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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.