Home / 250,037.12-345,051.20-136,859.84

Finding the Fourth Proportional to 250,037.12, 345,051.20 and 136,859.84

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Solution

The fourth proportional to 250,037.12, 345,051.20 and 136,859.84 is: 188,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,037.12 : 345,051.20 = 136,859.84 : x
  2. Step 2: Convert to fraction form
    250,037.12/345,051.20 = 136,859.84/x
  3. Step 3: Cross multiply
    250,037.12x = 345,051.20 × 136,859.84
  4. Step 4: Simplify right side
    250,037.12x = 47,223,652,023.81
  5. Step 5: Solve for x
    x = 47,223,652,023.81/250,037.12
  6. Step 6: Final answer
    x = 188,866.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.