Home / 242,545.14-334,667.88-135,112.50

Finding the Fourth Proportional to 242,545.14, 334,667.88 and 135,112.50

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Solution

The fourth proportional to 242,545.14, 334,667.88 and 135,112.50 is: 186,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,545.14 : 334,667.88 = 135,112.50 : x
  2. Step 2: Convert to fraction form
    242,545.14/334,667.88 = 135,112.50/x
  3. Step 3: Cross multiply
    242,545.14x = 334,667.88 × 135,112.50
  4. Step 4: Simplify right side
    242,545.14x = 45,217,813,936.50
  5. Step 5: Solve for x
    x = 45,217,813,936.50/242,545.14
  6. Step 6: Final answer
    x = 186,430.51

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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.