Home / 249,873-374,848.46-81,353.55

Finding the Fourth Proportional to 249,873, 374,848.46 and 81,353.55

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Solution

The fourth proportional to 249,873, 374,848.46 and 81,353.55 is: 122,043.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,873 : 374,848.46 = 81,353.55 : x
  2. Step 2: Convert to fraction form
    249,873/374,848.46 = 81,353.55/x
  3. Step 3: Cross multiply
    249,873x = 374,848.46 × 81,353.55
  4. Step 4: Simplify right side
    249,873x = 30,495,252,526.27
  5. Step 5: Solve for x
    x = 30,495,252,526.27/249,873
  6. Step 6: Final answer
    x = 122,043.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.