Home / 114,513.20-171,769.80-84,988.70

Finding the Fourth Proportional to 114,513.20, 171,769.80 and 84,988.70

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Solution

The fourth proportional to 114,513.20, 171,769.80 and 84,988.70 is: 127,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,513.20 : 171,769.80 = 84,988.70 : x
  2. Step 2: Convert to fraction form
    114,513.20/171,769.80 = 84,988.70/x
  3. Step 3: Cross multiply
    114,513.20x = 171,769.80 × 84,988.70
  4. Step 4: Simplify right side
    114,513.20x = 14,598,492,001.26
  5. Step 5: Solve for x
    x = 14,598,492,001.26/114,513.20
  6. Step 6: Final answer
    x = 127,483.05

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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.