Home / 180,904.49-249,666.44-100,347.73

Finding the Fourth Proportional to 180,904.49, 249,666.44 and 100,347.73

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Solution

The fourth proportional to 180,904.49, 249,666.44 and 100,347.73 is: 138,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,904.49 : 249,666.44 = 100,347.73 : x
  2. Step 2: Convert to fraction form
    180,904.49/249,666.44 = 100,347.73/x
  3. Step 3: Cross multiply
    180,904.49x = 249,666.44 × 100,347.73
  4. Step 4: Simplify right side
    180,904.49x = 25,053,459,385.28
  5. Step 5: Solve for x
    x = 25,053,459,385.28/180,904.49
  6. Step 6: Final answer
    x = 138,489.98

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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.