Home / 142,213.86-212,873.40-97,579.62

Finding the Fourth Proportional to 142,213.86, 212,873.40 and 97,579.62

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Solution

The fourth proportional to 142,213.86, 212,873.40 and 97,579.62 is: 146,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,213.86 : 212,873.40 = 97,579.62 : x
  2. Step 2: Convert to fraction form
    142,213.86/212,873.40 = 97,579.62/x
  3. Step 3: Cross multiply
    142,213.86x = 212,873.40 × 97,579.62
  4. Step 4: Simplify right side
    142,213.86x = 20,772,105,480.11
  5. Step 5: Solve for x
    x = 20,772,105,480.11/142,213.86
  6. Step 6: Final answer
    x = 146,062.45

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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.