Home / 180,726.41-249,403.93-100,155.26

Finding the Fourth Proportional to 180,726.41, 249,403.93 and 100,155.26

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Solution

The fourth proportional to 180,726.41, 249,403.93 and 100,155.26 is: 138,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,726.41 : 249,403.93 = 100,155.26 : x
  2. Step 2: Convert to fraction form
    180,726.41/249,403.93 = 100,155.26/x
  3. Step 3: Cross multiply
    180,726.41x = 249,403.93 × 100,155.26
  4. Step 4: Simplify right side
    180,726.41x = 24,979,115,827.29
  5. Step 5: Solve for x
    x = 24,979,115,827.29/180,726.41
  6. Step 6: Final answer
    x = 138,215.08

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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.