Home / 180,848.41-249,581.84-100,275.91

Finding the Fourth Proportional to 180,848.41, 249,581.84 and 100,275.91

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Solution

The fourth proportional to 180,848.41, 249,581.84 and 100,275.91 is: 138,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,848.41 : 249,581.84 = 100,275.91 : x
  2. Step 2: Convert to fraction form
    180,848.41/249,581.84 = 100,275.91/x
  3. Step 3: Cross multiply
    180,848.41x = 249,581.84 × 100,275.91
  4. Step 4: Simplify right side
    180,848.41x = 25,027,045,000.14
  5. Step 5: Solve for x
    x = 25,027,045,000.14/180,848.41
  6. Step 6: Final answer
    x = 138,386.87

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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.