Home / 75,300.12-112,948.92-18,374.58

Finding the Fourth Proportional to 75,300.12, 112,948.92 and 18,374.58

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Solution

The fourth proportional to 75,300.12, 112,948.92 and 18,374.58 is: 27,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.12 : 112,948.92 = 18,374.58 : x
  2. Step 2: Convert to fraction form
    75,300.12/112,948.92 = 18,374.58/x
  3. Step 3: Cross multiply
    75,300.12x = 112,948.92 × 18,374.58
  4. Step 4: Simplify right side
    75,300.12x = 2,075,388,966.45
  5. Step 5: Solve for x
    x = 2,075,388,966.45/75,300.12
  6. Step 6: Final answer
    x = 27,561.56

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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.