Home / 197,488.65-272,527.60-112,633.05

Finding the Fourth Proportional to 197,488.65, 272,527.60 and 112,633.05

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Solution

The fourth proportional to 197,488.65, 272,527.60 and 112,633.05 is: 155,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,488.65 : 272,527.60 = 112,633.05 : x
  2. Step 2: Convert to fraction form
    197,488.65/272,527.60 = 112,633.05/x
  3. Step 3: Cross multiply
    197,488.65x = 272,527.60 × 112,633.05
  4. Step 4: Simplify right side
    197,488.65x = 30,695,615,478.50
  5. Step 5: Solve for x
    x = 30,695,615,478.50/197,488.65
  6. Step 6: Final answer
    x = 155,429.77

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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.