Home / 180,664.41-249,307.04-100,087.13

Finding the Fourth Proportional to 180,664.41, 249,307.04 and 100,087.13

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Solution

The fourth proportional to 180,664.41, 249,307.04 and 100,087.13 is: 138,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.41 : 249,307.04 = 100,087.13 : x
  2. Step 2: Convert to fraction form
    180,664.41/249,307.04 = 100,087.13/x
  3. Step 3: Cross multiply
    180,664.41x = 249,307.04 × 100,087.13
  4. Step 4: Simplify right side
    180,664.41x = 24,952,425,030.54
  5. Step 5: Solve for x
    x = 24,952,425,030.54/180,664.41
  6. Step 6: Final answer
    x = 138,114.78

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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.