Home / 316,180.31-474,271.27-129,191.81

Finding the Fourth Proportional to 316,180.31, 474,271.27 and 129,191.81

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Solution

The fourth proportional to 316,180.31, 474,271.27 and 129,191.81 is: 193,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,180.31 : 474,271.27 = 129,191.81 : x
  2. Step 2: Convert to fraction form
    316,180.31/474,271.27 = 129,191.81/x
  3. Step 3: Cross multiply
    316,180.31x = 474,271.27 × 129,191.81
  4. Step 4: Simplify right side
    316,180.31x = 61,271,961,430.94
  5. Step 5: Solve for x
    x = 61,271,961,430.94/316,180.31
  6. Step 6: Final answer
    x = 193,788.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.