Home / 242,673.03-334,898.46-135,242.10

Finding the Fourth Proportional to 242,673.03, 334,898.46 and 135,242.10

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Solution

The fourth proportional to 242,673.03, 334,898.46 and 135,242.10 is: 186,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,673.03 : 334,898.46 = 135,242.10 : x
  2. Step 2: Convert to fraction form
    242,673.03/334,898.46 = 135,242.10/x
  3. Step 3: Cross multiply
    242,673.03x = 334,898.46 × 135,242.10
  4. Step 4: Simplify right side
    242,673.03x = 45,292,371,017.17
  5. Step 5: Solve for x
    x = 45,292,371,017.17/242,673.03
  6. Step 6: Final answer
    x = 186,639.49

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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.