Home / 281,988.63-423,002.30-113,510.25

Finding the Fourth Proportional to 281,988.63, 423,002.30 and 113,510.25

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Solution

The fourth proportional to 281,988.63, 423,002.30 and 113,510.25 is: 170,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,988.63 : 423,002.30 = 113,510.25 : x
  2. Step 2: Convert to fraction form
    281,988.63/423,002.30 = 113,510.25/x
  3. Step 3: Cross multiply
    281,988.63x = 423,002.30 × 113,510.25
  4. Step 4: Simplify right side
    281,988.63x = 48,015,096,256.02
  5. Step 5: Solve for x
    x = 48,015,096,256.02/281,988.63
  6. Step 6: Final answer
    x = 170,273.16

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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.