Home / 207,204.36-285,666.72-135,461.04

Finding the Fourth Proportional to 207,204.36, 285,666.72 and 135,461.04

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Solution

The fourth proportional to 207,204.36, 285,666.72 and 135,461.04 is: 186,756.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,204.36 : 285,666.72 = 135,461.04 : x
  2. Step 2: Convert to fraction form
    207,204.36/285,666.72 = 135,461.04/x
  3. Step 3: Cross multiply
    207,204.36x = 285,666.72 × 135,461.04
  4. Step 4: Simplify right side
    207,204.36x = 38,696,710,984.59
  5. Step 5: Solve for x
    x = 38,696,710,984.59/207,204.36
  6. Step 6: Final answer
    x = 186,756.26

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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.