Home / 76,012.60-114,077.28-72,110.16

Finding the Fourth Proportional to 76,012.60, 114,077.28 and 72,110.16

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Solution

The fourth proportional to 76,012.60, 114,077.28 and 72,110.16 is: 108,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,012.60 : 114,077.28 = 72,110.16 : x
  2. Step 2: Convert to fraction form
    76,012.60/114,077.28 = 72,110.16/x
  3. Step 3: Cross multiply
    76,012.60x = 114,077.28 × 72,110.16
  4. Step 4: Simplify right side
    76,012.60x = 8,226,130,913.16
  5. Step 5: Solve for x
    x = 8,226,130,913.16/76,012.60
  6. Step 6: Final answer
    x = 108,220.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.