Home / 126,847.04-190,281.12-42,603.20

Finding the Fourth Proportional to 126,847.04, 190,281.12 and 42,603.20

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Solution

The fourth proportional to 126,847.04, 190,281.12 and 42,603.20 is: 63,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,847.04 : 190,281.12 = 42,603.20 : x
  2. Step 2: Convert to fraction form
    126,847.04/190,281.12 = 42,603.20/x
  3. Step 3: Cross multiply
    126,847.04x = 190,281.12 × 42,603.20
  4. Step 4: Simplify right side
    126,847.04x = 8,106,584,611.58
  5. Step 5: Solve for x
    x = 8,106,584,611.58/126,847.04
  6. Step 6: Final answer
    x = 63,908.35

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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.