Home / 166,444.40-249,666.60-140,103.20

Finding the Fourth Proportional to 166,444.40, 249,666.60 and 140,103.20

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Solution

The fourth proportional to 166,444.40, 249,666.60 and 140,103.20 is: 210,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,444.40 : 249,666.60 = 140,103.20 : x
  2. Step 2: Convert to fraction form
    166,444.40/249,666.60 = 140,103.20/x
  3. Step 3: Cross multiply
    166,444.40x = 249,666.60 × 140,103.20
  4. Step 4: Simplify right side
    166,444.40x = 34,979,089,593.12
  5. Step 5: Solve for x
    x = 34,979,089,593.12/166,444.40
  6. Step 6: Final answer
    x = 210,154.80

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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.