Home / 180,559.52-249,168.82-99,986.79

Finding the Fourth Proportional to 180,559.52, 249,168.82 and 99,986.79

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Solution

The fourth proportional to 180,559.52, 249,168.82 and 99,986.79 is: 137,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,559.52 : 249,168.82 = 99,986.79 : x
  2. Step 2: Convert to fraction form
    180,559.52/249,168.82 = 99,986.79/x
  3. Step 3: Cross multiply
    180,559.52x = 249,168.82 × 99,986.79
  4. Step 4: Simplify right side
    180,559.52x = 24,913,590,479.89
  5. Step 5: Solve for x
    x = 24,913,590,479.89/180,559.52
  6. Step 6: Final answer
    x = 137,979.93

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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.