Home / 126,819.19-190,250.70-42,587.50

Finding the Fourth Proportional to 126,819.19, 190,250.70 and 42,587.50

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Solution

The fourth proportional to 126,819.19, 190,250.70 and 42,587.50 is: 63,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,819.19 : 190,250.70 = 42,587.50 : x
  2. Step 2: Convert to fraction form
    126,819.19/190,250.70 = 42,587.50/x
  3. Step 3: Cross multiply
    126,819.19x = 190,250.70 × 42,587.50
  4. Step 4: Simplify right side
    126,819.19x = 8,102,300,992.34
  5. Step 5: Solve for x
    x = 8,102,300,992.34/126,819.19
  6. Step 6: Final answer
    x = 63,888.60

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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.