Home / 166,127.20-249,277.20-72,642.40

Finding the Fourth Proportional to 166,127.20, 249,277.20 and 72,642.40

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Solution

The fourth proportional to 166,127.20, 249,277.20 and 72,642.40 is: 109,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,127.20 : 249,277.20 = 72,642.40 : x
  2. Step 2: Convert to fraction form
    166,127.20/249,277.20 = 72,642.40/x
  3. Step 3: Cross multiply
    166,127.20x = 249,277.20 × 72,642.40
  4. Step 4: Simplify right side
    166,127.20x = 18,108,094,073.28
  5. Step 5: Solve for x
    x = 18,108,094,073.28/166,127.20
  6. Step 6: Final answer
    x = 109,001.38

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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.