Home / 127,271.40-190,841.76-67,332.21

Finding the Fourth Proportional to 127,271.40, 190,841.76 and 67,332.21

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Solution

The fourth proportional to 127,271.40, 190,841.76 and 67,332.21 is: 100,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.40 : 190,841.76 = 67,332.21 : x
  2. Step 2: Convert to fraction form
    127,271.40/190,841.76 = 67,332.21/x
  3. Step 3: Cross multiply
    127,271.40x = 190,841.76 × 67,332.21
  4. Step 4: Simplify right side
    127,271.40x = 12,849,797,461.09
  5. Step 5: Solve for x
    x = 12,849,797,461.09/127,271.40
  6. Step 6: Final answer
    x = 100,963.75

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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.