Home / 156,890.34-235,203.28-68,077.08

Finding the Fourth Proportional to 156,890.34, 235,203.28 and 68,077.08

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Solution

The fourth proportional to 156,890.34, 235,203.28 and 68,077.08 is: 102,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,890.34 : 235,203.28 = 68,077.08 : x
  2. Step 2: Convert to fraction form
    156,890.34/235,203.28 = 68,077.08/x
  3. Step 3: Cross multiply
    156,890.34x = 235,203.28 × 68,077.08
  4. Step 4: Simplify right side
    156,890.34x = 16,011,952,338.63
  5. Step 5: Solve for x
    x = 16,011,952,338.63/156,890.34
  6. Step 6: Final answer
    x = 102,058.24

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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.