Home / 141,386.74-212,024.31-57,131.02

Finding the Fourth Proportional to 141,386.74, 212,024.31 and 57,131.02

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Solution

The fourth proportional to 141,386.74, 212,024.31 and 57,131.02 is: 85,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,386.74 : 212,024.31 = 57,131.02 : x
  2. Step 2: Convert to fraction form
    141,386.74/212,024.31 = 57,131.02/x
  3. Step 3: Cross multiply
    141,386.74x = 212,024.31 × 57,131.02
  4. Step 4: Simplify right side
    141,386.74x = 12,113,165,095.10
  5. Step 5: Solve for x
    x = 12,113,165,095.10/141,386.74
  6. Step 6: Final answer
    x = 85,673.98

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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.