Home / 249,864.60-344,821.32-142,432.68

Finding the Fourth Proportional to 249,864.60, 344,821.32 and 142,432.68

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Solution

The fourth proportional to 249,864.60, 344,821.32 and 142,432.68 is: 196,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,864.60 : 344,821.32 = 142,432.68 : x
  2. Step 2: Convert to fraction form
    249,864.60/344,821.32 = 142,432.68/x
  3. Step 3: Cross multiply
    249,864.60x = 344,821.32 × 142,432.68
  4. Step 4: Simplify right side
    249,864.60x = 49,113,824,728.74
  5. Step 5: Solve for x
    x = 49,113,824,728.74/249,864.60
  6. Step 6: Final answer
    x = 196,561.76

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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.