Home / 134,312.18-185,364.41-76,959.11

Finding the Fourth Proportional to 134,312.18, 185,364.41 and 76,959.11

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Solution

The fourth proportional to 134,312.18, 185,364.41 and 76,959.11 is: 106,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,312.18 : 185,364.41 = 76,959.11 : x
  2. Step 2: Convert to fraction form
    134,312.18/185,364.41 = 76,959.11/x
  3. Step 3: Cross multiply
    134,312.18x = 185,364.41 × 76,959.11
  4. Step 4: Simplify right side
    134,312.18x = 14,265,480,019.28
  5. Step 5: Solve for x
    x = 14,265,480,019.28/134,312.18
  6. Step 6: Final answer
    x = 106,211.37

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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.