Home / 166,498.72-249,133.68-99,979.36

Finding the Fourth Proportional to 166,498.72, 249,133.68 and 99,979.36

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Solution

The fourth proportional to 166,498.72, 249,133.68 and 99,979.36 is: 149,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,498.72 : 249,133.68 = 99,979.36 : x
  2. Step 2: Convert to fraction form
    166,498.72/249,133.68 = 99,979.36/x
  3. Step 3: Cross multiply
    166,498.72x = 249,133.68 × 99,979.36
  4. Step 4: Simplify right side
    166,498.72x = 24,908,225,880.84
  5. Step 5: Solve for x
    x = 24,908,225,880.84/166,498.72
  6. Step 6: Final answer
    x = 149,600.10

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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.