Home / 173,108.40-259,516.80-90,002.40

Finding the Fourth Proportional to 173,108.40, 259,516.80 and 90,002.40

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Solution

The fourth proportional to 173,108.40, 259,516.80 and 90,002.40 is: 134,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.40 : 259,516.80 = 90,002.40 : x
  2. Step 2: Convert to fraction form
    173,108.40/259,516.80 = 90,002.40/x
  3. Step 3: Cross multiply
    173,108.40x = 259,516.80 × 90,002.40
  4. Step 4: Simplify right side
    173,108.40x = 23,357,134,840.32
  5. Step 5: Solve for x
    x = 23,357,134,840.32/173,108.40
  6. Step 6: Final answer
    x = 134,927.80

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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.