Home / 155,141.40-214,088.34-94,812.96

Finding the Fourth Proportional to 155,141.40, 214,088.34 and 94,812.96

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Solution

The fourth proportional to 155,141.40, 214,088.34 and 94,812.96 is: 130,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141.40 : 214,088.34 = 94,812.96 : x
  2. Step 2: Convert to fraction form
    155,141.40/214,088.34 = 94,812.96/x
  3. Step 3: Cross multiply
    155,141.40x = 214,088.34 × 94,812.96
  4. Step 4: Simplify right side
    155,141.40x = 20,298,349,216.89
  5. Step 5: Solve for x
    x = 20,298,349,216.89/155,141.40
  6. Step 6: Final answer
    x = 130,837.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.