Home / 134,211.15-185,211.72-76,851.36

Finding the Fourth Proportional to 134,211.15, 185,211.72 and 76,851.36

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Solution

The fourth proportional to 134,211.15, 185,211.72 and 76,851.36 is: 106,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.15 : 185,211.72 = 76,851.36 : x
  2. Step 2: Convert to fraction form
    134,211.15/185,211.72 = 76,851.36/x
  3. Step 3: Cross multiply
    134,211.15x = 185,211.72 × 76,851.36
  4. Step 4: Simplify right side
    134,211.15x = 14,233,772,569.94
  5. Step 5: Solve for x
    x = 14,233,772,569.94/134,211.15
  6. Step 6: Final answer
    x = 106,055.07

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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.