Home / 210,171.26-290,036.04-134,719.76

Finding the Fourth Proportional to 210,171.26, 290,036.04 and 134,719.76

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Solution

The fourth proportional to 210,171.26, 290,036.04 and 134,719.76 is: 185,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,171.26 : 290,036.04 = 134,719.76 : x
  2. Step 2: Convert to fraction form
    210,171.26/290,036.04 = 134,719.76/x
  3. Step 3: Cross multiply
    210,171.26x = 290,036.04 × 134,719.76
  4. Step 4: Simplify right side
    210,171.26x = 39,073,585,700.15
  5. Step 5: Solve for x
    x = 39,073,585,700.15/210,171.26
  6. Step 6: Final answer
    x = 185,913.08

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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.