Home / 249,155.51-373,792.80-80,676.02

Finding the Fourth Proportional to 249,155.51, 373,792.80 and 80,676.02

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Solution

The fourth proportional to 249,155.51, 373,792.80 and 80,676.02 is: 121,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,155.51 : 373,792.80 = 80,676.02 : x
  2. Step 2: Convert to fraction form
    249,155.51/373,792.80 = 80,676.02/x
  3. Step 3: Cross multiply
    249,155.51x = 373,792.80 × 80,676.02
  4. Step 4: Simplify right side
    249,155.51x = 30,156,115,408.66
  5. Step 5: Solve for x
    x = 30,156,115,408.66/249,155.51
  6. Step 6: Final answer
    x = 121,033.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.