Home / 130,625.39-179,088.93-128,263.43

Finding the Fourth Proportional to 130,625.39, 179,088.93 and 128,263.43

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Solution

The fourth proportional to 130,625.39, 179,088.93 and 128,263.43 is: 175,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,625.39 : 179,088.93 = 128,263.43 : x
  2. Step 2: Convert to fraction form
    130,625.39/179,088.93 = 128,263.43/x
  3. Step 3: Cross multiply
    130,625.39x = 179,088.93 × 128,263.43
  4. Step 4: Simplify right side
    130,625.39x = 22,970,558,900.07
  5. Step 5: Solve for x
    x = 22,970,558,900.07/130,625.39
  6. Step 6: Final answer
    x = 175,850.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.