Home / 142,671.30-213,956.47-41,448.29

Finding the Fourth Proportional to 142,671.30, 213,956.47 and 41,448.29

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Solution

The fourth proportional to 142,671.30, 213,956.47 and 41,448.29 is: 62,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,671.30 : 213,956.47 = 41,448.29 : x
  2. Step 2: Convert to fraction form
    142,671.30/213,956.47 = 41,448.29/x
  3. Step 3: Cross multiply
    142,671.30x = 213,956.47 × 41,448.29
  4. Step 4: Simplify right side
    142,671.30x = 8,868,130,486.65
  5. Step 5: Solve for x
    x = 8,868,130,486.65/142,671.30
  6. Step 6: Final answer
    x = 62,157.77

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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.