Home / 127,729.98-176,281.23-70,375.19

Finding the Fourth Proportional to 127,729.98, 176,281.23 and 70,375.19

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Solution

The fourth proportional to 127,729.98, 176,281.23 and 70,375.19 is: 97,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.98 : 176,281.23 = 70,375.19 : x
  2. Step 2: Convert to fraction form
    127,729.98/176,281.23 = 70,375.19/x
  3. Step 3: Cross multiply
    127,729.98x = 176,281.23 × 70,375.19
  4. Step 4: Simplify right side
    127,729.98x = 12,405,825,054.68
  5. Step 5: Solve for x
    x = 12,405,825,054.68/127,729.98
  6. Step 6: Final answer
    x = 97,125.40

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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.