Home / 180,722.72-249,398.82-100,151.60

Finding the Fourth Proportional to 180,722.72, 249,398.82 and 100,151.60

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Solution

The fourth proportional to 180,722.72, 249,398.82 and 100,151.60 is: 138,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,722.72 : 249,398.82 = 100,151.60 : x
  2. Step 2: Convert to fraction form
    180,722.72/249,398.82 = 100,151.60/x
  3. Step 3: Cross multiply
    180,722.72x = 249,398.82 × 100,151.60
  4. Step 4: Simplify right side
    180,722.72x = 24,977,689,614.12
  5. Step 5: Solve for x
    x = 24,977,689,614.12/180,722.72
  6. Step 6: Final answer
    x = 138,210.01

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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.