Home / 210,204.72-290,088.63-114,717.57

Finding the Fourth Proportional to 210,204.72, 290,088.63 and 114,717.57

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Solution

The fourth proportional to 210,204.72, 290,088.63 and 114,717.57 is: 158,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,204.72 : 290,088.63 = 114,717.57 : x
  2. Step 2: Convert to fraction form
    210,204.72/290,088.63 = 114,717.57/x
  3. Step 3: Cross multiply
    210,204.72x = 290,088.63 × 114,717.57
  4. Step 4: Simplify right side
    210,204.72x = 33,278,262,718.23
  5. Step 5: Solve for x
    x = 33,278,262,718.23/210,204.72
  6. Step 6: Final answer
    x = 158,313.58

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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.