Home / 127,028.68-175,296.90-70,438.84

Finding the Fourth Proportional to 127,028.68, 175,296.90 and 70,438.84

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Solution

The fourth proportional to 127,028.68, 175,296.90 and 70,438.84 is: 97,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028.68 : 175,296.90 = 70,438.84 : x
  2. Step 2: Convert to fraction form
    127,028.68/175,296.90 = 70,438.84/x
  3. Step 3: Cross multiply
    127,028.68x = 175,296.90 × 70,438.84
  4. Step 4: Simplify right side
    127,028.68x = 12,347,710,291.60
  5. Step 5: Solve for x
    x = 12,347,710,291.60/127,028.68
  6. Step 6: Final answer
    x = 97,204.11

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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.