Home / 249,800.24-344,715.80-142,404.89

Finding the Fourth Proportional to 249,800.24, 344,715.80 and 142,404.89

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Solution

The fourth proportional to 249,800.24, 344,715.80 and 142,404.89 is: 196,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,800.24 : 344,715.80 = 142,404.89 : x
  2. Step 2: Convert to fraction form
    249,800.24/344,715.80 = 142,404.89/x
  3. Step 3: Cross multiply
    249,800.24x = 344,715.80 × 142,404.89
  4. Step 4: Simplify right side
    249,800.24x = 49,089,213,144.66
  5. Step 5: Solve for x
    x = 49,089,213,144.66/249,800.24
  6. Step 6: Final answer
    x = 196,513.88

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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.