Home / 180,528.38-249,136.94-99,955.90

Finding the Fourth Proportional to 180,528.38, 249,136.94 and 99,955.90

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Solution

The fourth proportional to 180,528.38, 249,136.94 and 99,955.90 is: 137,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,528.38 : 249,136.94 = 99,955.90 : x
  2. Step 2: Convert to fraction form
    180,528.38/249,136.94 = 99,955.90/x
  3. Step 3: Cross multiply
    180,528.38x = 249,136.94 × 99,955.90
  4. Step 4: Simplify right side
    180,528.38x = 24,902,706,687.99
  5. Step 5: Solve for x
    x = 24,902,706,687.99/180,528.38
  6. Step 6: Final answer
    x = 137,943.44

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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.