Home / 132,887.16-183,380.90-72,457.92

Finding the Fourth Proportional to 132,887.16, 183,380.90 and 72,457.92

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Solution

The fourth proportional to 132,887.16, 183,380.90 and 72,457.92 is: 99,990.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,887.16 : 183,380.90 = 72,457.92 : x
  2. Step 2: Convert to fraction form
    132,887.16/183,380.90 = 72,457.92/x
  3. Step 3: Cross multiply
    132,887.16x = 183,380.90 × 72,457.92
  4. Step 4: Simplify right side
    132,887.16x = 13,287,398,219.44
  5. Step 5: Solve for x
    x = 13,287,398,219.44/132,887.16
  6. Step 6: Final answer
    x = 99,990.08

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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.