Home / 180,722.60-249,398.63-100,151.46

Finding the Fourth Proportional to 180,722.60, 249,398.63 and 100,151.46

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Solution

The fourth proportional to 180,722.60, 249,398.63 and 100,151.46 is: 138,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,722.60 : 249,398.63 = 100,151.46 : x
  2. Step 2: Convert to fraction form
    180,722.60/249,398.63 = 100,151.46/x
  3. Step 3: Cross multiply
    180,722.60x = 249,398.63 × 100,151.46
  4. Step 4: Simplify right side
    180,722.60x = 24,977,637,478.63
  5. Step 5: Solve for x
    x = 24,977,637,478.63/180,722.60
  6. Step 6: Final answer
    x = 138,209.82

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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.