Home / 180,519.40-249,125.97-99,955.81

Finding the Fourth Proportional to 180,519.40, 249,125.97 and 99,955.81

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Solution

The fourth proportional to 180,519.40, 249,125.97 and 99,955.81 is: 137,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,519.40 : 249,125.97 = 99,955.81 : x
  2. Step 2: Convert to fraction form
    180,519.40/249,125.97 = 99,955.81/x
  3. Step 3: Cross multiply
    180,519.40x = 249,125.97 × 99,955.81
  4. Step 4: Simplify right side
    180,519.40x = 24,901,588,123.39
  5. Step 5: Solve for x
    x = 24,901,588,123.39/180,519.40
  6. Step 6: Final answer
    x = 137,944.11

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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.