Home / 130,524.94-180,113.42-72,383.35

Finding the Fourth Proportional to 130,524.94, 180,113.42 and 72,383.35

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Solution

The fourth proportional to 130,524.94, 180,113.42 and 72,383.35 is: 99,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,524.94 : 180,113.42 = 72,383.35 : x
  2. Step 2: Convert to fraction form
    130,524.94/180,113.42 = 72,383.35/x
  3. Step 3: Cross multiply
    130,524.94x = 180,113.42 × 72,383.35
  4. Step 4: Simplify right side
    130,524.94x = 13,037,211,457.07
  5. Step 5: Solve for x
    x = 13,037,211,457.07/130,524.94
  6. Step 6: Final answer
    x = 99,882.91

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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.