Home / 130,445.52-179,967.12-79,437.44

Finding the Fourth Proportional to 130,445.52, 179,967.12 and 79,437.44

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Solution

The fourth proportional to 130,445.52, 179,967.12 and 79,437.44 is: 109,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,445.52 : 179,967.12 = 79,437.44 : x
  2. Step 2: Convert to fraction form
    130,445.52/179,967.12 = 79,437.44/x
  3. Step 3: Cross multiply
    130,445.52x = 179,967.12 × 79,437.44
  4. Step 4: Simplify right side
    130,445.52x = 14,296,127,296.97
  5. Step 5: Solve for x
    x = 14,296,127,296.97/130,445.52
  6. Step 6: Final answer
    x = 109,594.62

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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.