Home / 180,502.38-249,090.30-99,928.17

Finding the Fourth Proportional to 180,502.38, 249,090.30 and 99,928.17

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Solution

The fourth proportional to 180,502.38, 249,090.30 and 99,928.17 is: 137,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,502.38 : 249,090.30 = 99,928.17 : x
  2. Step 2: Convert to fraction form
    180,502.38/249,090.30 = 99,928.17/x
  3. Step 3: Cross multiply
    180,502.38x = 249,090.30 × 99,928.17
  4. Step 4: Simplify right side
    180,502.38x = 24,891,137,843.75
  5. Step 5: Solve for x
    x = 24,891,137,843.75/180,502.38
  6. Step 6: Final answer
    x = 137,899.22

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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.