Home / 156,762.34-235,112.04-76,765.84

Finding the Fourth Proportional to 156,762.34, 235,112.04 and 76,765.84

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Solution

The fourth proportional to 156,762.34, 235,112.04 and 76,765.84 is: 115,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,762.34 : 235,112.04 = 76,765.84 : x
  2. Step 2: Convert to fraction form
    156,762.34/235,112.04 = 76,765.84/x
  3. Step 3: Cross multiply
    156,762.34x = 235,112.04 × 76,765.84
  4. Step 4: Simplify right side
    156,762.34x = 18,048,573,244.71
  5. Step 5: Solve for x
    x = 18,048,573,244.71/156,762.34
  6. Step 6: Final answer
    x = 115,133.35

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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.