Home / 142,731.10-214,096.65-83,536.30

Finding the Fourth Proportional to 142,731.10, 214,096.65 and 83,536.30

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Solution

The fourth proportional to 142,731.10, 214,096.65 and 83,536.30 is: 125,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,731.10 : 214,096.65 = 83,536.30 : x
  2. Step 2: Convert to fraction form
    142,731.10/214,096.65 = 83,536.30/x
  3. Step 3: Cross multiply
    142,731.10x = 214,096.65 × 83,536.30
  4. Step 4: Simplify right side
    142,731.10x = 17,884,841,983.40
  5. Step 5: Solve for x
    x = 17,884,841,983.40/142,731.10
  6. Step 6: Final answer
    x = 125,304.45

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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.