Home / 134,309.36-185,337.78-77,729.24

Finding the Fourth Proportional to 134,309.36, 185,337.78 and 77,729.24

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Solution

The fourth proportional to 134,309.36, 185,337.78 and 77,729.24 is: 107,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309.36 : 185,337.78 = 77,729.24 : x
  2. Step 2: Convert to fraction form
    134,309.36/185,337.78 = 77,729.24/x
  3. Step 3: Cross multiply
    134,309.36x = 185,337.78 × 77,729.24
  4. Step 4: Simplify right side
    134,309.36x = 14,406,164,782.69
  5. Step 5: Solve for x
    x = 14,406,164,782.69/134,309.36
  6. Step 6: Final answer
    x = 107,261.06

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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.