Home / 151,736.68-209,417.70-84,673

Finding the Fourth Proportional to 151,736.68, 209,417.70 and 84,673

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Solution

The fourth proportional to 151,736.68, 209,417.70 and 84,673 is: 116,860.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,736.68 : 209,417.70 = 84,673 : x
  2. Step 2: Convert to fraction form
    151,736.68/209,417.70 = 84,673/x
  3. Step 3: Cross multiply
    151,736.68x = 209,417.70 × 84,673
  4. Step 4: Simplify right side
    151,736.68x = 17,732,024,912.10
  5. Step 5: Solve for x
    x = 17,732,024,912.10/151,736.68
  6. Step 6: Final answer
    x = 116,860.50

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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.