Home / 166,300.20-249,482.70-66,443.40

Finding the Fourth Proportional to 166,300.20, 249,482.70 and 66,443.40

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Solution

The fourth proportional to 166,300.20, 249,482.70 and 66,443.40 is: 99,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,300.20 : 249,482.70 = 66,443.40 : x
  2. Step 2: Convert to fraction form
    166,300.20/249,482.70 = 66,443.40/x
  3. Step 3: Cross multiply
    166,300.20x = 249,482.70 × 66,443.40
  4. Step 4: Simplify right side
    166,300.20x = 16,576,478,829.18
  5. Step 5: Solve for x
    x = 16,576,478,829.18/166,300.20
  6. Step 6: Final answer
    x = 99,678.05

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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.