Home / 95,909.64-143,913.90-42,638.37

Finding the Fourth Proportional to 95,909.64, 143,913.90 and 42,638.37

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Solution

The fourth proportional to 95,909.64, 143,913.90 and 42,638.37 is: 63,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,909.64 : 143,913.90 = 42,638.37 : x
  2. Step 2: Convert to fraction form
    95,909.64/143,913.90 = 42,638.37/x
  3. Step 3: Cross multiply
    95,909.64x = 143,913.90 × 42,638.37
  4. Step 4: Simplify right side
    95,909.64x = 6,136,254,116.34
  5. Step 5: Solve for x
    x = 6,136,254,116.34/95,909.64
  6. Step 6: Final answer
    x = 63,979.53

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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.