Home / 125,784.59-188,709.69-46,899.50

Finding the Fourth Proportional to 125,784.59, 188,709.69 and 46,899.50

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Solution

The fourth proportional to 125,784.59, 188,709.69 and 46,899.50 is: 70,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.59 : 188,709.69 = 46,899.50 : x
  2. Step 2: Convert to fraction form
    125,784.59/188,709.69 = 46,899.50/x
  3. Step 3: Cross multiply
    125,784.59x = 188,709.69 × 46,899.50
  4. Step 4: Simplify right side
    125,784.59x = 8,850,390,106.16
  5. Step 5: Solve for x
    x = 8,850,390,106.16/125,784.59
  6. Step 6: Final answer
    x = 70,361.48

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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.