Home / 142,972.05-214,459.59-43,133.10

Finding the Fourth Proportional to 142,972.05, 214,459.59 and 43,133.10

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Solution

The fourth proportional to 142,972.05, 214,459.59 and 43,133.10 is: 64,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,972.05 : 214,459.59 = 43,133.10 : x
  2. Step 2: Convert to fraction form
    142,972.05/214,459.59 = 43,133.10/x
  3. Step 3: Cross multiply
    142,972.05x = 214,459.59 × 43,133.10
  4. Step 4: Simplify right side
    142,972.05x = 9,250,306,941.43
  5. Step 5: Solve for x
    x = 9,250,306,941.43/142,972.05
  6. Step 6: Final answer
    x = 64,700.11

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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.