Home / 197,613.94-272,681.61-112,725.94

Finding the Fourth Proportional to 197,613.94, 272,681.61 and 112,725.94

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Solution

The fourth proportional to 197,613.94, 272,681.61 and 112,725.94 is: 155,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,613.94 : 272,681.61 = 112,725.94 : x
  2. Step 2: Convert to fraction form
    197,613.94/272,681.61 = 112,725.94/x
  3. Step 3: Cross multiply
    197,613.94x = 272,681.61 × 112,725.94
  4. Step 4: Simplify right side
    197,613.94x = 30,738,290,807.96
  5. Step 5: Solve for x
    x = 30,738,290,807.96/197,613.94
  6. Step 6: Final answer
    x = 155,547.18

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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.