Home / 141,829.80-212,833.40-57,590.34

Finding the Fourth Proportional to 141,829.80, 212,833.40 and 57,590.34

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Solution

The fourth proportional to 141,829.80, 212,833.40 and 57,590.34 is: 86,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.80 : 212,833.40 = 57,590.34 : x
  2. Step 2: Convert to fraction form
    141,829.80/212,833.40 = 57,590.34/x
  3. Step 3: Cross multiply
    141,829.80x = 212,833.40 × 57,590.34
  4. Step 4: Simplify right side
    141,829.80x = 12,257,147,581.40
  5. Step 5: Solve for x
    x = 12,257,147,581.40/141,829.80
  6. Step 6: Final answer
    x = 86,421.52

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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.