Home / 210,253.86-290,187.93-125,376.39

Finding the Fourth Proportional to 210,253.86, 290,187.93 and 125,376.39

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Solution

The fourth proportional to 210,253.86, 290,187.93 and 125,376.39 is: 173,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,253.86 : 290,187.93 = 125,376.39 : x
  2. Step 2: Convert to fraction form
    210,253.86/290,187.93 = 125,376.39/x
  3. Step 3: Cross multiply
    210,253.86x = 290,187.93 × 125,376.39
  4. Step 4: Simplify right side
    210,253.86x = 36,382,715,084.97
  5. Step 5: Solve for x
    x = 36,382,715,084.97/210,253.86
  6. Step 6: Final answer
    x = 173,041.84

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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.