Home / 103,698.23-155,547.44-28,818.38

Finding the Fourth Proportional to 103,698.23, 155,547.44 and 28,818.38

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Solution

The fourth proportional to 103,698.23, 155,547.44 and 28,818.38 is: 43,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,698.23 : 155,547.44 = 28,818.38 : x
  2. Step 2: Convert to fraction form
    103,698.23/155,547.44 = 28,818.38/x
  3. Step 3: Cross multiply
    103,698.23x = 155,547.44 × 28,818.38
  4. Step 4: Simplify right side
    103,698.23x = 4,482,625,586.79
  5. Step 5: Solve for x
    x = 4,482,625,586.79/103,698.23
  6. Step 6: Final answer
    x = 43,227.60

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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.