Home / 166,445.55-249,816.69-77,749.07

Finding the Fourth Proportional to 166,445.55, 249,816.69 and 77,749.07

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Solution

The fourth proportional to 166,445.55, 249,816.69 and 77,749.07 is: 116,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,445.55 : 249,816.69 = 77,749.07 : x
  2. Step 2: Convert to fraction form
    166,445.55/249,816.69 = 77,749.07/x
  3. Step 3: Cross multiply
    166,445.55x = 249,816.69 × 77,749.07
  4. Step 4: Simplify right side
    166,445.55x = 19,423,014,068.89
  5. Step 5: Solve for x
    x = 19,423,014,068.89/166,445.55
  6. Step 6: Final answer
    x = 116,692.90

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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.