Home / 223,171.04-307,887-142,577.66

Finding the Fourth Proportional to 223,171.04, 307,887 and 142,577.66

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Solution

The fourth proportional to 223,171.04, 307,887 and 142,577.66 is: 196,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,171.04 : 307,887 = 142,577.66 : x
  2. Step 2: Convert to fraction form
    223,171.04/307,887 = 142,577.66/x
  3. Step 3: Cross multiply
    223,171.04x = 307,887 × 142,577.66
  4. Step 4: Simplify right side
    223,171.04x = 43,897,808,004.42
  5. Step 5: Solve for x
    x = 43,897,808,004.42/223,171.04
  6. Step 6: Final answer
    x = 196,700.29

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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.