Home / 249,582.42-344,416.05-142,167.78

Finding the Fourth Proportional to 249,582.42, 344,416.05 and 142,167.78

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Solution

The fourth proportional to 249,582.42, 344,416.05 and 142,167.78 is: 196,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,582.42 : 344,416.05 = 142,167.78 : x
  2. Step 2: Convert to fraction form
    249,582.42/344,416.05 = 142,167.78/x
  3. Step 3: Cross multiply
    249,582.42x = 344,416.05 × 142,167.78
  4. Step 4: Simplify right side
    249,582.42x = 48,964,865,224.87
  5. Step 5: Solve for x
    x = 48,964,865,224.87/249,582.42
  6. Step 6: Final answer
    x = 196,187.16

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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.