Home / 142,160.48-212,714.52-113,994.40

Finding the Fourth Proportional to 142,160.48, 212,714.52 and 113,994.40

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Solution

The fourth proportional to 142,160.48, 212,714.52 and 113,994.40 is: 170,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,160.48 : 212,714.52 = 113,994.40 : x
  2. Step 2: Convert to fraction form
    142,160.48/212,714.52 = 113,994.40/x
  3. Step 3: Cross multiply
    142,160.48x = 212,714.52 × 113,994.40
  4. Step 4: Simplify right side
    142,160.48x = 24,248,264,078.69
  5. Step 5: Solve for x
    x = 24,248,264,078.69/142,160.48
  6. Step 6: Final answer
    x = 170,569.66

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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.