Home / 180,705.10-249,365.88-100,136.02

Finding the Fourth Proportional to 180,705.10, 249,365.88 and 100,136.02

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Solution

The fourth proportional to 180,705.10, 249,365.88 and 100,136.02 is: 138,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,705.10 : 249,365.88 = 100,136.02 : x
  2. Step 2: Convert to fraction form
    180,705.10/249,365.88 = 100,136.02/x
  3. Step 3: Cross multiply
    180,705.10x = 249,365.88 × 100,136.02
  4. Step 4: Simplify right side
    180,705.10x = 24,970,506,747.00
  5. Step 5: Solve for x
    x = 24,970,506,747.00/180,705.10
  6. Step 6: Final answer
    x = 138,183.74

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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.