Home / 180,766.28-249,457.47-100,205.93

Finding the Fourth Proportional to 180,766.28, 249,457.47 and 100,205.93

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Solution

The fourth proportional to 180,766.28, 249,457.47 and 100,205.93 is: 138,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,766.28 : 249,457.47 = 100,205.93 : x
  2. Step 2: Convert to fraction form
    180,766.28/249,457.47 = 100,205.93/x
  3. Step 3: Cross multiply
    180,766.28x = 249,457.47 × 100,205.93
  4. Step 4: Simplify right side
    180,766.28x = 24,997,117,776.80
  5. Step 5: Solve for x
    x = 24,997,117,776.80/180,766.28
  6. Step 6: Final answer
    x = 138,284.19

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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.