Home / 174,267.39-261,295.65-78,187.01

Finding the Fourth Proportional to 174,267.39, 261,295.65 and 78,187.01

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Solution

The fourth proportional to 174,267.39, 261,295.65 and 78,187.01 is: 117,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,267.39 : 261,295.65 = 78,187.01 : x
  2. Step 2: Convert to fraction form
    174,267.39/261,295.65 = 78,187.01/x
  3. Step 3: Cross multiply
    174,267.39x = 261,295.65 × 78,187.01
  4. Step 4: Simplify right side
    174,267.39x = 20,429,925,599.51
  5. Step 5: Solve for x
    x = 20,429,925,599.51/174,267.39
  6. Step 6: Final answer
    x = 117,233.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.