Home / 177,848.52-245,438.82-102,421.32

Finding the Fourth Proportional to 177,848.52, 245,438.82 and 102,421.32

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Solution

The fourth proportional to 177,848.52, 245,438.82 and 102,421.32 is: 141,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,848.52 : 245,438.82 = 102,421.32 : x
  2. Step 2: Convert to fraction form
    177,848.52/245,438.82 = 102,421.32/x
  3. Step 3: Cross multiply
    177,848.52x = 245,438.82 × 102,421.32
  4. Step 4: Simplify right side
    177,848.52x = 25,138,167,923.64
  5. Step 5: Solve for x
    x = 25,138,167,923.64/177,848.52
  6. Step 6: Final answer
    x = 141,345.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.