Home / 180,409.08-249,169.20-122,950.02

Finding the Fourth Proportional to 180,409.08, 249,169.20 and 122,950.02

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Solution

The fourth proportional to 180,409.08, 249,169.20 and 122,950.02 is: 169,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,409.08 : 249,169.20 = 122,950.02 : x
  2. Step 2: Convert to fraction form
    180,409.08/249,169.20 = 122,950.02/x
  3. Step 3: Cross multiply
    180,409.08x = 249,169.20 × 122,950.02
  4. Step 4: Simplify right side
    180,409.08x = 30,635,358,123.38
  5. Step 5: Solve for x
    x = 30,635,358,123.38/180,409.08
  6. Step 6: Final answer
    x = 169,810.51

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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.