Home / 137,030.90-205,638.15-48,284.60

Finding the Fourth Proportional to 137,030.90, 205,638.15 and 48,284.60

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Solution

The fourth proportional to 137,030.90, 205,638.15 and 48,284.60 is: 72,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,030.90 : 205,638.15 = 48,284.60 : x
  2. Step 2: Convert to fraction form
    137,030.90/205,638.15 = 48,284.60/x
  3. Step 3: Cross multiply
    137,030.90x = 205,638.15 × 48,284.60
  4. Step 4: Simplify right side
    137,030.90x = 9,929,155,817.49
  5. Step 5: Solve for x
    x = 9,929,155,817.49/137,030.90
  6. Step 6: Final answer
    x = 72,459.25

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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.