Home / 116,156.52-160,352.32-77,902.08

Finding the Fourth Proportional to 116,156.52, 160,352.32 and 77,902.08

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Solution

The fourth proportional to 116,156.52, 160,352.32 and 77,902.08 is: 107,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,156.52 : 160,352.32 = 77,902.08 : x
  2. Step 2: Convert to fraction form
    116,156.52/160,352.32 = 77,902.08/x
  3. Step 3: Cross multiply
    116,156.52x = 160,352.32 × 77,902.08
  4. Step 4: Simplify right side
    116,156.52x = 12,491,779,171.36
  5. Step 5: Solve for x
    x = 12,491,779,171.36/116,156.52
  6. Step 6: Final answer
    x = 107,542.64

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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.