Home / 127,143.22-175,465.85-70,554.60

Finding the Fourth Proportional to 127,143.22, 175,465.85 and 70,554.60

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Solution

The fourth proportional to 127,143.22, 175,465.85 and 70,554.60 is: 97,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,143.22 : 175,465.85 = 70,554.60 : x
  2. Step 2: Convert to fraction form
    127,143.22/175,465.85 = 70,554.60/x
  3. Step 3: Cross multiply
    127,143.22x = 175,465.85 × 70,554.60
  4. Step 4: Simplify right side
    127,143.22x = 12,379,922,860.41
  5. Step 5: Solve for x
    x = 12,379,922,860.41/127,143.22
  6. Step 6: Final answer
    x = 97,369.90

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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.