Home / 96,084.64-144,142.32-40,688.80

Finding the Fourth Proportional to 96,084.64, 144,142.32 and 40,688.80

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Solution

The fourth proportional to 96,084.64, 144,142.32 and 40,688.80 is: 61,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,084.64 : 144,142.32 = 40,688.80 : x
  2. Step 2: Convert to fraction form
    96,084.64/144,142.32 = 40,688.80/x
  3. Step 3: Cross multiply
    96,084.64x = 144,142.32 × 40,688.80
  4. Step 4: Simplify right side
    96,084.64x = 5,864,978,030.02
  5. Step 5: Solve for x
    x = 5,864,978,030.02/96,084.64
  6. Step 6: Final answer
    x = 61,039.70

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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.