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Finding the Fourth Proportional to 173,289.60, 259,934.40 and 73,432.80

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Solution

The fourth proportional to 173,289.60, 259,934.40 and 73,432.80 is: 110,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,289.60 : 259,934.40 = 73,432.80 : x
  2. Step 2: Convert to fraction form
    173,289.60/259,934.40 = 73,432.80/x
  3. Step 3: Cross multiply
    173,289.60x = 259,934.40 × 73,432.80
  4. Step 4: Simplify right side
    173,289.60x = 19,087,710,808.32
  5. Step 5: Solve for x
    x = 19,087,710,808.32/173,289.60
  6. Step 6: Final answer
    x = 110,149.20

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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.