Home / 142,746.60-213,974.10-83,551.80

Finding the Fourth Proportional to 142,746.60, 213,974.10 and 83,551.80

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Solution

The fourth proportional to 142,746.60, 213,974.10 and 83,551.80 is: 125,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,746.60 : 213,974.10 = 83,551.80 : x
  2. Step 2: Convert to fraction form
    142,746.60/213,974.10 = 83,551.80/x
  3. Step 3: Cross multiply
    142,746.60x = 213,974.10 × 83,551.80
  4. Step 4: Simplify right side
    142,746.60x = 17,877,921,208.38
  5. Step 5: Solve for x
    x = 17,877,921,208.38/142,746.60
  6. Step 6: Final answer
    x = 125,242.36

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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.