Home / 245,319.40-367,979.10-105,092.20

Finding the Fourth Proportional to 245,319.40, 367,979.10 and 105,092.20

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Solution

The fourth proportional to 245,319.40, 367,979.10 and 105,092.20 is: 157,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,319.40 : 367,979.10 = 105,092.20 : x
  2. Step 2: Convert to fraction form
    245,319.40/367,979.10 = 105,092.20/x
  3. Step 3: Cross multiply
    245,319.40x = 367,979.10 × 105,092.20
  4. Step 4: Simplify right side
    245,319.40x = 38,671,733,173.02
  5. Step 5: Solve for x
    x = 38,671,733,173.02/245,319.40
  6. Step 6: Final answer
    x = 157,638.30

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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.