Home / 156,911.45-235,368.81-62,164.70

Finding the Fourth Proportional to 156,911.45, 235,368.81 and 62,164.70

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Solution

The fourth proportional to 156,911.45, 235,368.81 and 62,164.70 is: 93,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.45 : 235,368.81 = 62,164.70 : x
  2. Step 2: Convert to fraction form
    156,911.45/235,368.81 = 62,164.70/x
  3. Step 3: Cross multiply
    156,911.45x = 235,368.81 × 62,164.70
  4. Step 4: Simplify right side
    156,911.45x = 14,631,630,286.16
  5. Step 5: Solve for x
    x = 14,631,630,286.16/156,911.45
  6. Step 6: Final answer
    x = 93,247.69

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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.