Home / 174,890.57-262,332.91-78,774.32

Finding the Fourth Proportional to 174,890.57, 262,332.91 and 78,774.32

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Solution

The fourth proportional to 174,890.57, 262,332.91 and 78,774.32 is: 118,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,890.57 : 262,332.91 = 78,774.32 : x
  2. Step 2: Convert to fraction form
    174,890.57/262,332.91 = 78,774.32/x
  3. Step 3: Cross multiply
    174,890.57x = 262,332.91 × 78,774.32
  4. Step 4: Simplify right side
    174,890.57x = 20,665,095,090.27
  5. Step 5: Solve for x
    x = 20,665,095,090.27/174,890.57
  6. Step 6: Final answer
    x = 118,160.15

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1.5x scale

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.