Home / 212,835.50-319,303.37-63,077.03

Finding the Fourth Proportional to 212,835.50, 319,303.37 and 63,077.03

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Solution

The fourth proportional to 212,835.50, 319,303.37 and 63,077.03 is: 94,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,835.50 : 319,303.37 = 63,077.03 : x
  2. Step 2: Convert to fraction form
    212,835.50/319,303.37 = 63,077.03/x
  3. Step 3: Cross multiply
    212,835.50x = 319,303.37 × 63,077.03
  4. Step 4: Simplify right side
    212,835.50x = 20,140,708,248.59
  5. Step 5: Solve for x
    x = 20,140,708,248.59/212,835.50
  6. Step 6: Final answer
    x = 94,630.40

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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.