Home / 134,307.36-185,335.02-77,727.24

Finding the Fourth Proportional to 134,307.36, 185,335.02 and 77,727.24

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Solution

The fourth proportional to 134,307.36, 185,335.02 and 77,727.24 is: 107,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,307.36 : 185,335.02 = 77,727.24 : x
  2. Step 2: Convert to fraction form
    134,307.36/185,335.02 = 77,727.24/x
  3. Step 3: Cross multiply
    134,307.36x = 185,335.02 × 77,727.24
  4. Step 4: Simplify right side
    134,307.36x = 14,405,579,579.94
  5. Step 5: Solve for x
    x = 14,405,579,579.94/134,307.36
  6. Step 6: Final answer
    x = 107,258.30

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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.