Home / 77,188.81-115,781.06-24,601.45

Finding the Fourth Proportional to 77,188.81, 115,781.06 and 24,601.45

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Solution

The fourth proportional to 77,188.81, 115,781.06 and 24,601.45 is: 36,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,188.81 : 115,781.06 = 24,601.45 : x
  2. Step 2: Convert to fraction form
    77,188.81/115,781.06 = 24,601.45/x
  3. Step 3: Cross multiply
    77,188.81x = 115,781.06 × 24,601.45
  4. Step 4: Simplify right side
    77,188.81x = 2,848,381,835.53
  5. Step 5: Solve for x
    x = 2,848,381,835.53/77,188.81
  6. Step 6: Final answer
    x = 36,901.49

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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.