Home / 180,944.63-249,733.53-100,398.11

Finding the Fourth Proportional to 180,944.63, 249,733.53 and 100,398.11

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Solution

The fourth proportional to 180,944.63, 249,733.53 and 100,398.11 is: 138,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,944.63 : 249,733.53 = 100,398.11 : x
  2. Step 2: Convert to fraction form
    180,944.63/249,733.53 = 100,398.11/x
  3. Step 3: Cross multiply
    180,944.63x = 249,733.53 × 100,398.11
  4. Step 4: Simplify right side
    180,944.63x = 25,072,773,417.96
  5. Step 5: Solve for x
    x = 25,072,773,417.96/180,944.63
  6. Step 6: Final answer
    x = 138,566.00

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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.