Home / 223,209.18-307,875.78-142,601.04

Finding the Fourth Proportional to 223,209.18, 307,875.78 and 142,601.04

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Solution

The fourth proportional to 223,209.18, 307,875.78 and 142,601.04 is: 196,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,209.18 : 307,875.78 = 142,601.04 : x
  2. Step 2: Convert to fraction form
    223,209.18/307,875.78 = 142,601.04/x
  3. Step 3: Cross multiply
    223,209.18x = 307,875.78 × 142,601.04
  4. Step 4: Simplify right side
    223,209.18x = 43,903,406,418.81
  5. Step 5: Solve for x
    x = 43,903,406,418.81/223,209.18
  6. Step 6: Final answer
    x = 196,691.76

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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.