Home / 180,899.08-249,655.71-100,352.50

Finding the Fourth Proportional to 180,899.08, 249,655.71 and 100,352.50

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Solution

The fourth proportional to 180,899.08, 249,655.71 and 100,352.50 is: 138,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,899.08 : 249,655.71 = 100,352.50 : x
  2. Step 2: Convert to fraction form
    180,899.08/249,655.71 = 100,352.50/x
  3. Step 3: Cross multiply
    180,899.08x = 249,655.71 × 100,352.50
  4. Step 4: Simplify right side
    180,899.08x = 25,053,574,637.78
  5. Step 5: Solve for x
    x = 25,053,574,637.78/180,899.08
  6. Step 6: Final answer
    x = 138,494.76

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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.