Home / 163,043.40-224,999.68-90,457.30

Finding the Fourth Proportional to 163,043.40, 224,999.68 and 90,457.30

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Solution

The fourth proportional to 163,043.40, 224,999.68 and 90,457.30 is: 124,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,043.40 : 224,999.68 = 90,457.30 : x
  2. Step 2: Convert to fraction form
    163,043.40/224,999.68 = 90,457.30/x
  3. Step 3: Cross multiply
    163,043.40x = 224,999.68 × 90,457.30
  4. Step 4: Simplify right side
    163,043.40x = 20,352,863,553.66
  5. Step 5: Solve for x
    x = 20,352,863,553.66/163,043.40
  6. Step 6: Final answer
    x = 124,830.96

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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.