Home / 103,237.84-154,854.94-28,357.70

Finding the Fourth Proportional to 103,237.84, 154,854.94 and 28,357.70

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Solution

The fourth proportional to 103,237.84, 154,854.94 and 28,357.70 is: 42,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,237.84 : 154,854.94 = 28,357.70 : x
  2. Step 2: Convert to fraction form
    103,237.84/154,854.94 = 28,357.70/x
  3. Step 3: Cross multiply
    103,237.84x = 154,854.94 × 28,357.70
  4. Step 4: Simplify right side
    103,237.84x = 4,391,329,140.04
  5. Step 5: Solve for x
    x = 4,391,329,140.04/103,237.84
  6. Step 6: Final answer
    x = 42,536.04

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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.