Home / 135,056.32-186,403.50-89,035.21

Finding the Fourth Proportional to 135,056.32, 186,403.50 and 89,035.21

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Solution

The fourth proportional to 135,056.32, 186,403.50 and 89,035.21 is: 122,885.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,056.32 : 186,403.50 = 89,035.21 : x
  2. Step 2: Convert to fraction form
    135,056.32/186,403.50 = 89,035.21/x
  3. Step 3: Cross multiply
    135,056.32x = 186,403.50 × 89,035.21
  4. Step 4: Simplify right side
    135,056.32x = 16,596,473,835.22
  5. Step 5: Solve for x
    x = 16,596,473,835.22/135,056.32
  6. Step 6: Final answer
    x = 122,885.58

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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.