Home / 180,809.28-249,513.48-99,137.52

Finding the Fourth Proportional to 180,809.28, 249,513.48 and 99,137.52

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Solution

The fourth proportional to 180,809.28, 249,513.48 and 99,137.52 is: 136,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,809.28 : 249,513.48 = 99,137.52 : x
  2. Step 2: Convert to fraction form
    180,809.28/249,513.48 = 99,137.52/x
  3. Step 3: Cross multiply
    180,809.28x = 249,513.48 × 99,137.52
  4. Step 4: Simplify right side
    180,809.28x = 24,736,147,613.77
  5. Step 5: Solve for x
    x = 24,736,147,613.77/180,809.28
  6. Step 6: Final answer
    x = 136,807.95

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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.