Home / 208,988.10-288,389.97-133,528.50

Finding the Fourth Proportional to 208,988.10, 288,389.97 and 133,528.50

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Solution

The fourth proportional to 208,988.10, 288,389.97 and 133,528.50 is: 184,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,988.10 : 288,389.97 = 133,528.50 : x
  2. Step 2: Convert to fraction form
    208,988.10/288,389.97 = 133,528.50/x
  3. Step 3: Cross multiply
    208,988.10x = 288,389.97 × 133,528.50
  4. Step 4: Simplify right side
    208,988.10x = 38,508,280,109.15
  5. Step 5: Solve for x
    x = 38,508,280,109.15/208,988.10
  6. Step 6: Final answer
    x = 184,260.64

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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.