Home / 180,887.02-249,639.87-105,433.90

Finding the Fourth Proportional to 180,887.02, 249,639.87 and 105,433.90

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Solution

The fourth proportional to 180,887.02, 249,639.87 and 105,433.90 is: 145,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,887.02 : 249,639.87 = 105,433.90 : x
  2. Step 2: Convert to fraction form
    180,887.02/249,639.87 = 105,433.90/x
  3. Step 3: Cross multiply
    180,887.02x = 249,639.87 × 105,433.90
  4. Step 4: Simplify right side
    180,887.02x = 26,320,505,089.59
  5. Step 5: Solve for x
    x = 26,320,505,089.59/180,887.02
  6. Step 6: Final answer
    x = 145,507.98

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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.