Home / 125,973.96-188,993.40-47,088.76

Finding the Fourth Proportional to 125,973.96, 188,993.40 and 47,088.76

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Solution

The fourth proportional to 125,973.96, 188,993.40 and 47,088.76 is: 70,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,973.96 : 188,993.40 = 47,088.76 : x
  2. Step 2: Convert to fraction form
    125,973.96/188,993.40 = 47,088.76/x
  3. Step 3: Cross multiply
    125,973.96x = 188,993.40 × 47,088.76
  4. Step 4: Simplify right side
    125,973.96x = 8,899,464,854.18
  5. Step 5: Solve for x
    x = 8,899,464,854.18/125,973.96
  6. Step 6: Final answer
    x = 70,645.27

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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.