Home / 180,656.76-249,308.26-100,089.05

Finding the Fourth Proportional to 180,656.76, 249,308.26 and 100,089.05

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Solution

The fourth proportional to 180,656.76, 249,308.26 and 100,089.05 is: 138,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,656.76 : 249,308.26 = 100,089.05 : x
  2. Step 2: Convert to fraction form
    180,656.76/249,308.26 = 100,089.05/x
  3. Step 3: Cross multiply
    180,656.76x = 249,308.26 × 100,089.05
  4. Step 4: Simplify right side
    180,656.76x = 24,953,026,900.55
  5. Step 5: Solve for x
    x = 24,953,026,900.55/180,656.76
  6. Step 6: Final answer
    x = 138,123.96

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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.