Home / 166,118.80-249,214.65-53,779.90

Finding the Fourth Proportional to 166,118.80, 249,214.65 and 53,779.90

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Solution

The fourth proportional to 166,118.80, 249,214.65 and 53,779.90 is: 80,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,118.80 : 249,214.65 = 53,779.90 : x
  2. Step 2: Convert to fraction form
    166,118.80/249,214.65 = 53,779.90/x
  3. Step 3: Cross multiply
    166,118.80x = 249,214.65 × 53,779.90
  4. Step 4: Simplify right side
    166,118.80x = 13,402,738,955.54
  5. Step 5: Solve for x
    x = 13,402,738,955.54/166,118.80
  6. Step 6: Final answer
    x = 80,681.65

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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.