Home / 147,421.76-203,427.98-86,182.27

Finding the Fourth Proportional to 147,421.76, 203,427.98 and 86,182.27

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Solution

The fourth proportional to 147,421.76, 203,427.98 and 86,182.27 is: 118,923.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,421.76 : 203,427.98 = 86,182.27 : x
  2. Step 2: Convert to fraction form
    147,421.76/203,427.98 = 86,182.27/x
  3. Step 3: Cross multiply
    147,421.76x = 203,427.98 × 86,182.27
  4. Step 4: Simplify right side
    147,421.76x = 17,531,885,097.91
  5. Step 5: Solve for x
    x = 17,531,885,097.91/147,421.76
  6. Step 6: Final answer
    x = 118,923.32

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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.