Home / 249,140.12-373,148.28-115,739.69

Finding the Fourth Proportional to 249,140.12, 373,148.28 and 115,739.69

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Solution

The fourth proportional to 249,140.12, 373,148.28 and 115,739.69 is: 173,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,140.12 : 373,148.28 = 115,739.69 : x
  2. Step 2: Convert to fraction form
    249,140.12/373,148.28 = 115,739.69/x
  3. Step 3: Cross multiply
    249,140.12x = 373,148.28 × 115,739.69
  4. Step 4: Simplify right side
    249,140.12x = 43,188,064,385.49
  5. Step 5: Solve for x
    x = 43,188,064,385.49/249,140.12
  6. Step 6: Final answer
    x = 173,348.50

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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.