Home / 180,529.93-249,145.33-99,964.95

Finding the Fourth Proportional to 180,529.93, 249,145.33 and 99,964.95

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Solution

The fourth proportional to 180,529.93, 249,145.33 and 99,964.95 is: 137,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,529.93 : 249,145.33 = 99,964.95 : x
  2. Step 2: Convert to fraction form
    180,529.93/249,145.33 = 99,964.95/x
  3. Step 3: Cross multiply
    180,529.93x = 249,145.33 × 99,964.95
  4. Step 4: Simplify right side
    180,529.93x = 24,905,800,206.27
  5. Step 5: Solve for x
    x = 24,905,800,206.27/180,529.93
  6. Step 6: Final answer
    x = 137,959.40

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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.