Home / 123,624.87-185,427.12-39,381.63

Finding the Fourth Proportional to 123,624.87, 185,427.12 and 39,381.63

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Solution

The fourth proportional to 123,624.87, 185,427.12 and 39,381.63 is: 59,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,624.87 : 185,427.12 = 39,381.63 : x
  2. Step 2: Convert to fraction form
    123,624.87/185,427.12 = 39,381.63/x
  3. Step 3: Cross multiply
    123,624.87x = 185,427.12 × 39,381.63
  4. Step 4: Simplify right side
    123,624.87x = 7,302,421,684.14
  5. Step 5: Solve for x
    x = 7,302,421,684.14/123,624.87
  6. Step 6: Final answer
    x = 59,069.20

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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.