Home / 126,798.40-190,124.70-38,038.60

Finding the Fourth Proportional to 126,798.40, 190,124.70 and 38,038.60

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Solution

The fourth proportional to 126,798.40, 190,124.70 and 38,038.60 is: 57,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,798.40 : 190,124.70 = 38,038.60 : x
  2. Step 2: Convert to fraction form
    126,798.40/190,124.70 = 38,038.60/x
  3. Step 3: Cross multiply
    126,798.40x = 190,124.70 × 38,038.60
  4. Step 4: Simplify right side
    126,798.40x = 7,232,077,413.42
  5. Step 5: Solve for x
    x = 7,232,077,413.42/126,798.40
  6. Step 6: Final answer
    x = 57,036.03

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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.