Home / 130,948.79-196,410.42-42,265.94

Finding the Fourth Proportional to 130,948.79, 196,410.42 and 42,265.94

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Solution

The fourth proportional to 130,948.79, 196,410.42 and 42,265.94 is: 63,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,948.79 : 196,410.42 = 42,265.94 : x
  2. Step 2: Convert to fraction form
    130,948.79/196,410.42 = 42,265.94/x
  3. Step 3: Cross multiply
    130,948.79x = 196,410.42 × 42,265.94
  4. Step 4: Simplify right side
    130,948.79x = 8,301,470,045.04
  5. Step 5: Solve for x
    x = 8,301,470,045.04/130,948.79
  6. Step 6: Final answer
    x = 63,394.78

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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.