Home / 175,028.30-262,081.65-128,026.70

Finding the Fourth Proportional to 175,028.30, 262,081.65 and 128,026.70

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Solution

The fourth proportional to 175,028.30, 262,081.65 and 128,026.70 is: 191,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,028.30 : 262,081.65 = 128,026.70 : x
  2. Step 2: Convert to fraction form
    175,028.30/262,081.65 = 128,026.70/x
  3. Step 3: Cross multiply
    175,028.30x = 262,081.65 × 128,026.70
  4. Step 4: Simplify right side
    175,028.30x = 33,553,448,780.06
  5. Step 5: Solve for x
    x = 33,553,448,780.06/175,028.30
  6. Step 6: Final answer
    x = 191,702.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.