Home / 208,073.45-287,142.35-117,433.24

Finding the Fourth Proportional to 208,073.45, 287,142.35 and 117,433.24

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Solution

The fourth proportional to 208,073.45, 287,142.35 and 117,433.24 is: 162,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,073.45 : 287,142.35 = 117,433.24 : x
  2. Step 2: Convert to fraction form
    208,073.45/287,142.35 = 117,433.24/x
  3. Step 3: Cross multiply
    208,073.45x = 287,142.35 × 117,433.24
  4. Step 4: Simplify right side
    208,073.45x = 33,720,056,501.71
  5. Step 5: Solve for x
    x = 33,720,056,501.71/208,073.45
  6. Step 6: Final answer
    x = 162,058.43

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1.5x scale

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.