Home / 180,633.29-249,270.81-100,059.12

Finding the Fourth Proportional to 180,633.29, 249,270.81 and 100,059.12

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Solution

The fourth proportional to 180,633.29, 249,270.81 and 100,059.12 is: 138,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,633.29 : 249,270.81 = 100,059.12 : x
  2. Step 2: Convert to fraction form
    180,633.29/249,270.81 = 100,059.12/x
  3. Step 3: Cross multiply
    180,633.29x = 249,270.81 × 100,059.12
  4. Step 4: Simplify right side
    180,633.29x = 24,941,817,890.29
  5. Step 5: Solve for x
    x = 24,941,817,890.29/180,633.29
  6. Step 6: Final answer
    x = 138,079.86

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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.