Home / 175,030.80-262,085.40-128,029.20

Finding the Fourth Proportional to 175,030.80, 262,085.40 and 128,029.20

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Solution

The fourth proportional to 175,030.80, 262,085.40 and 128,029.20 is: 191,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,030.80 : 262,085.40 = 128,029.20 : x
  2. Step 2: Convert to fraction form
    175,030.80/262,085.40 = 128,029.20/x
  3. Step 3: Cross multiply
    175,030.80x = 262,085.40 × 128,029.20
  4. Step 4: Simplify right side
    175,030.80x = 33,554,584,093.68
  5. Step 5: Solve for x
    x = 33,554,584,093.68/175,030.80
  6. Step 6: Final answer
    x = 191,706.74

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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.