Home / 249,741.18-344,646.58-142,308.90

Finding the Fourth Proportional to 249,741.18, 344,646.58 and 142,308.90

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Solution

The fourth proportional to 249,741.18, 344,646.58 and 142,308.90 is: 196,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,741.18 : 344,646.58 = 142,308.90 : x
  2. Step 2: Convert to fraction form
    249,741.18/344,646.58 = 142,308.90/x
  3. Step 3: Cross multiply
    249,741.18x = 344,646.58 × 142,308.90
  4. Step 4: Simplify right side
    249,741.18x = 49,046,275,688.56
  5. Step 5: Solve for x
    x = 49,046,275,688.56/249,741.18
  6. Step 6: Final answer
    x = 196,388.42

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1.5x scale

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.