Home / 125,646.96-188,003.76-70,281.84

Finding the Fourth Proportional to 125,646.96, 188,003.76 and 70,281.84

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Solution

The fourth proportional to 125,646.96, 188,003.76 and 70,281.84 is: 105,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,646.96 : 188,003.76 = 70,281.84 : x
  2. Step 2: Convert to fraction form
    125,646.96/188,003.76 = 70,281.84/x
  3. Step 3: Cross multiply
    125,646.96x = 188,003.76 × 70,281.84
  4. Step 4: Simplify right side
    125,646.96x = 13,213,250,179.72
  5. Step 5: Solve for x
    x = 13,213,250,179.72/125,646.96
  6. Step 6: Final answer
    x = 105,161.72

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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.