Home / 215,347.05-297,283.91-134,819.28

Finding the Fourth Proportional to 215,347.05, 297,283.91 and 134,819.28

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Solution

The fourth proportional to 215,347.05, 297,283.91 and 134,819.28 is: 186,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,347.05 : 297,283.91 = 134,819.28 : x
  2. Step 2: Convert to fraction form
    215,347.05/297,283.91 = 134,819.28/x
  3. Step 3: Cross multiply
    215,347.05x = 297,283.91 × 134,819.28
  4. Step 4: Simplify right side
    215,347.05x = 40,079,602,027.69
  5. Step 5: Solve for x
    x = 40,079,602,027.69/215,347.05
  6. Step 6: Final answer
    x = 186,116.33

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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.