Home / 144,540.10-216,810.15-39,358.90

Finding the Fourth Proportional to 144,540.10, 216,810.15 and 39,358.90

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Solution

The fourth proportional to 144,540.10, 216,810.15 and 39,358.90 is: 59,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,540.10 : 216,810.15 = 39,358.90 : x
  2. Step 2: Convert to fraction form
    144,540.10/216,810.15 = 39,358.90/x
  3. Step 3: Cross multiply
    144,540.10x = 216,810.15 × 39,358.90
  4. Step 4: Simplify right side
    144,540.10x = 8,533,409,012.84
  5. Step 5: Solve for x
    x = 8,533,409,012.84/144,540.10
  6. Step 6: Final answer
    x = 59,038.35

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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.