Home / 156,973.70-235,460.55-144,992.90

Finding the Fourth Proportional to 156,973.70, 235,460.55 and 144,992.90

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Solution

The fourth proportional to 156,973.70, 235,460.55 and 144,992.90 is: 217,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,973.70 : 235,460.55 = 144,992.90 : x
  2. Step 2: Convert to fraction form
    156,973.70/235,460.55 = 144,992.90/x
  3. Step 3: Cross multiply
    156,973.70x = 235,460.55 × 144,992.90
  4. Step 4: Simplify right side
    156,973.70x = 34,140,107,980.10
  5. Step 5: Solve for x
    x = 34,140,107,980.10/156,973.70
  6. Step 6: Final answer
    x = 217,489.35

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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.