Home / 212,848.60-293,766.06-128,012.44

Finding the Fourth Proportional to 212,848.60, 293,766.06 and 128,012.44

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Solution

The fourth proportional to 212,848.60, 293,766.06 and 128,012.44 is: 176,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,848.60 : 293,766.06 = 128,012.44 : x
  2. Step 2: Convert to fraction form
    212,848.60/293,766.06 = 128,012.44/x
  3. Step 3: Cross multiply
    212,848.60x = 293,766.06 × 128,012.44
  4. Step 4: Simplify right side
    212,848.60x = 37,605,710,129.79
  5. Step 5: Solve for x
    x = 37,605,710,129.79/212,848.60
  6. Step 6: Final answer
    x = 176,678.21

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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.