Home / 142,175.31-213,262.35-57,916.68

Finding the Fourth Proportional to 142,175.31, 213,262.35 and 57,916.68

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Solution

The fourth proportional to 142,175.31, 213,262.35 and 57,916.68 is: 86,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,175.31 : 213,262.35 = 57,916.68 : x
  2. Step 2: Convert to fraction form
    142,175.31/213,262.35 = 57,916.68/x
  3. Step 3: Cross multiply
    142,175.31x = 213,262.35 × 57,916.68
  4. Step 4: Simplify right side
    142,175.31x = 12,351,447,498.19
  5. Step 5: Solve for x
    x = 12,351,447,498.19/142,175.31
  6. Step 6: Final answer
    x = 86,874.77

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1.5x scale

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.