Home / 249,701.12-344,562.88-142,262.72

Finding the Fourth Proportional to 249,701.12, 344,562.88 and 142,262.72

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Solution

The fourth proportional to 249,701.12, 344,562.88 and 142,262.72 is: 196,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,701.12 : 344,562.88 = 142,262.72 : x
  2. Step 2: Convert to fraction form
    249,701.12/344,562.88 = 142,262.72/x
  3. Step 3: Cross multiply
    249,701.12x = 344,562.88 × 142,262.72
  4. Step 4: Simplify right side
    249,701.12x = 49,018,452,519.83
  5. Step 5: Solve for x
    x = 49,018,452,519.83/249,701.12
  6. Step 6: Final answer
    x = 196,308.50

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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.