Home / 210,222.56-290,054.64-134,873.12

Finding the Fourth Proportional to 210,222.56, 290,054.64 and 134,873.12

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Solution

The fourth proportional to 210,222.56, 290,054.64 and 134,873.12 is: 186,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,222.56 : 290,054.64 = 134,873.12 : x
  2. Step 2: Convert to fraction form
    210,222.56/290,054.64 = 134,873.12/x
  3. Step 3: Cross multiply
    210,222.56x = 290,054.64 × 134,873.12
  4. Step 4: Simplify right side
    210,222.56x = 39,120,574,267.28
  5. Step 5: Solve for x
    x = 39,120,574,267.28/210,222.56
  6. Step 6: Final answer
    x = 186,091.23

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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.