Home / 130,634.46-180,274.71-71,018.46

Finding the Fourth Proportional to 130,634.46, 180,274.71 and 71,018.46

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Solution

The fourth proportional to 130,634.46, 180,274.71 and 71,018.46 is: 98,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,634.46 : 180,274.71 = 71,018.46 : x
  2. Step 2: Convert to fraction form
    130,634.46/180,274.71 = 71,018.46/x
  3. Step 3: Cross multiply
    130,634.46x = 180,274.71 × 71,018.46
  4. Step 4: Simplify right side
    130,634.46x = 12,802,832,281.15
  5. Step 5: Solve for x
    x = 12,802,832,281.15/130,634.46
  6. Step 6: Final answer
    x = 98,005.02

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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.