Home / 156,965.38-235,368.69-51,749.62

Finding the Fourth Proportional to 156,965.38, 235,368.69 and 51,749.62

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Solution

The fourth proportional to 156,965.38, 235,368.69 and 51,749.62 is: 77,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.38 : 235,368.69 = 51,749.62 : x
  2. Step 2: Convert to fraction form
    156,965.38/235,368.69 = 51,749.62/x
  3. Step 3: Cross multiply
    156,965.38x = 235,368.69 × 51,749.62
  4. Step 4: Simplify right side
    156,965.38x = 12,180,240,267.40
  5. Step 5: Solve for x
    x = 12,180,240,267.40/156,965.38
  6. Step 6: Final answer
    x = 77,598.26

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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.