Home / 127,419.20-175,834.72-70,827.20

Finding the Fourth Proportional to 127,419.20, 175,834.72 and 70,827.20

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Solution

The fourth proportional to 127,419.20, 175,834.72 and 70,827.20 is: 97,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,419.20 : 175,834.72 = 70,827.20 : x
  2. Step 2: Convert to fraction form
    127,419.20/175,834.72 = 70,827.20/x
  3. Step 3: Cross multiply
    127,419.20x = 175,834.72 × 70,827.20
  4. Step 4: Simplify right side
    127,419.20x = 12,453,880,880.38
  5. Step 5: Solve for x
    x = 12,453,880,880.38/127,419.20
  6. Step 6: Final answer
    x = 97,739.44

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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.