Home / 180,832.80-249,498.62-105,366.72

Finding the Fourth Proportional to 180,832.80, 249,498.62 and 105,366.72

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Solution

The fourth proportional to 180,832.80, 249,498.62 and 105,366.72 is: 145,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,832.80 : 249,498.62 = 105,366.72 : x
  2. Step 2: Convert to fraction form
    180,832.80/249,498.62 = 105,366.72/x
  3. Step 3: Cross multiply
    180,832.80x = 249,498.62 × 105,366.72
  4. Step 4: Simplify right side
    180,832.80x = 26,288,851,233.93
  5. Step 5: Solve for x
    x = 26,288,851,233.93/180,832.80
  6. Step 6: Final answer
    x = 145,376.56

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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.