Home / 112,672-169,010.40-42,584.32

Finding the Fourth Proportional to 112,672, 169,010.40 and 42,584.32

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Solution

The fourth proportional to 112,672, 169,010.40 and 42,584.32 is: 63,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,672 : 169,010.40 = 42,584.32 : x
  2. Step 2: Convert to fraction form
    112,672/169,010.40 = 42,584.32/x
  3. Step 3: Cross multiply
    112,672x = 169,010.40 × 42,584.32
  4. Step 4: Simplify right side
    112,672x = 7,197,192,956.93
  5. Step 5: Solve for x
    x = 7,197,192,956.93/112,672
  6. Step 6: Final answer
    x = 63,877.39

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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.