Home / 127,315.07-175,710.08-76,355.84

Finding the Fourth Proportional to 127,315.07, 175,710.08 and 76,355.84

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Solution

The fourth proportional to 127,315.07, 175,710.08 and 76,355.84 is: 105,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315.07 : 175,710.08 = 76,355.84 : x
  2. Step 2: Convert to fraction form
    127,315.07/175,710.08 = 76,355.84/x
  3. Step 3: Cross multiply
    127,315.07x = 175,710.08 × 76,355.84
  4. Step 4: Simplify right side
    127,315.07x = 13,416,490,754.87
  5. Step 5: Solve for x
    x = 13,416,490,754.87/127,315.07
  6. Step 6: Final answer
    x = 105,380.23

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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.