Home / 152,279.96-228,441.80-47,107.13

Finding the Fourth Proportional to 152,279.96, 228,441.80 and 47,107.13

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Solution

The fourth proportional to 152,279.96, 228,441.80 and 47,107.13 is: 70,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.96 : 228,441.80 = 47,107.13 : x
  2. Step 2: Convert to fraction form
    152,279.96/228,441.80 = 47,107.13/x
  3. Step 3: Cross multiply
    152,279.96x = 228,441.80 × 47,107.13
  4. Step 4: Simplify right side
    152,279.96x = 10,761,236,545.59
  5. Step 5: Solve for x
    x = 10,761,236,545.59/152,279.96
  6. Step 6: Final answer
    x = 70,667.45

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1.5x scale

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.