Home / 230,667.77-318,329.37-133,864.17

Finding the Fourth Proportional to 230,667.77, 318,329.37 and 133,864.17

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Solution

The fourth proportional to 230,667.77, 318,329.37 and 133,864.17 is: 184,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,667.77 : 318,329.37 = 133,864.17 : x
  2. Step 2: Convert to fraction form
    230,667.77/318,329.37 = 133,864.17/x
  3. Step 3: Cross multiply
    230,667.77x = 318,329.37 × 133,864.17
  4. Step 4: Simplify right side
    230,667.77x = 42,612,896,901.67
  5. Step 5: Solve for x
    x = 42,612,896,901.67/230,667.77
  6. Step 6: Final answer
    x = 184,737.11

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1.5x scale

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.