Home / 100,025.04-137,969.52-64,158.24

Finding the Fourth Proportional to 100,025.04, 137,969.52 and 64,158.24

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Solution

The fourth proportional to 100,025.04, 137,969.52 and 64,158.24 is: 88,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,025.04 : 137,969.52 = 64,158.24 : x
  2. Step 2: Convert to fraction form
    100,025.04/137,969.52 = 64,158.24/x
  3. Step 3: Cross multiply
    100,025.04x = 137,969.52 × 64,158.24
  4. Step 4: Simplify right side
    100,025.04x = 8,851,881,576.84
  5. Step 5: Solve for x
    x = 8,851,881,576.84/100,025.04
  6. Step 6: Final answer
    x = 88,496.66

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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.