Home / 249,820.02-344,742.90-142,424.64

Finding the Fourth Proportional to 249,820.02, 344,742.90 and 142,424.64

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Solution

The fourth proportional to 249,820.02, 344,742.90 and 142,424.64 is: 196,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,820.02 : 344,742.90 = 142,424.64 : x
  2. Step 2: Convert to fraction form
    249,820.02/344,742.90 = 142,424.64/x
  3. Step 3: Cross multiply
    249,820.02x = 344,742.90 × 142,424.64
  4. Step 4: Simplify right side
    249,820.02x = 49,099,883,425.06
  5. Step 5: Solve for x
    x = 49,099,883,425.06/249,820.02
  6. Step 6: Final answer
    x = 196,541.03

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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.