Home / 77,189.81-115,782.55-24,602.45

Finding the Fourth Proportional to 77,189.81, 115,782.55 and 24,602.45

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Solution

The fourth proportional to 77,189.81, 115,782.55 and 24,602.45 is: 36,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,189.81 : 115,782.55 = 24,602.45 : x
  2. Step 2: Convert to fraction form
    77,189.81/115,782.55 = 24,602.45/x
  3. Step 3: Cross multiply
    77,189.81x = 115,782.55 × 24,602.45
  4. Step 4: Simplify right side
    77,189.81x = 2,848,534,397.25
  5. Step 5: Solve for x
    x = 2,848,534,397.25/77,189.81
  6. Step 6: Final answer
    x = 36,902.98

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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.