Home / 142,972.04-214,459.61-43,133.11

Finding the Fourth Proportional to 142,972.04, 214,459.61 and 43,133.11

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Solution

The fourth proportional to 142,972.04, 214,459.61 and 43,133.11 is: 64,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,972.04 : 214,459.61 = 43,133.11 : x
  2. Step 2: Convert to fraction form
    142,972.04/214,459.61 = 43,133.11/x
  3. Step 3: Cross multiply
    142,972.04x = 214,459.61 × 43,133.11
  4. Step 4: Simplify right side
    142,972.04x = 9,250,309,196.87
  5. Step 5: Solve for x
    x = 9,250,309,196.87/142,972.04
  6. Step 6: Final answer
    x = 64,700.13

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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.