Home / 137,339.52-189,547.74-99,222.42

Finding the Fourth Proportional to 137,339.52, 189,547.74 and 99,222.42

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Solution

The fourth proportional to 137,339.52, 189,547.74 and 99,222.42 is: 136,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,339.52 : 189,547.74 = 99,222.42 : x
  2. Step 2: Convert to fraction form
    137,339.52/189,547.74 = 99,222.42/x
  3. Step 3: Cross multiply
    137,339.52x = 189,547.74 × 99,222.42
  4. Step 4: Simplify right side
    137,339.52x = 18,807,385,468.33
  5. Step 5: Solve for x
    x = 18,807,385,468.33/137,339.52
  6. Step 6: Final answer
    x = 136,940.81

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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.