Home / 91,106.19-125,726.73-50,818.91

Finding the Fourth Proportional to 91,106.19, 125,726.73 and 50,818.91

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Solution

The fourth proportional to 91,106.19, 125,726.73 and 50,818.91 is: 70,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,106.19 : 125,726.73 = 50,818.91 : x
  2. Step 2: Convert to fraction form
    91,106.19/125,726.73 = 50,818.91/x
  3. Step 3: Cross multiply
    91,106.19x = 125,726.73 × 50,818.91
  4. Step 4: Simplify right side
    91,106.19x = 6,389,294,747.83
  5. Step 5: Solve for x
    x = 6,389,294,747.83/91,106.19
  6. Step 6: Final answer
    x = 70,130.19

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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.