Home / 166,577.40-249,779.70-61,342.20

Finding the Fourth Proportional to 166,577.40, 249,779.70 and 61,342.20

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Solution

The fourth proportional to 166,577.40, 249,779.70 and 61,342.20 is: 91,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,577.40 : 249,779.70 = 61,342.20 : x
  2. Step 2: Convert to fraction form
    166,577.40/249,779.70 = 61,342.20/x
  3. Step 3: Cross multiply
    166,577.40x = 249,779.70 × 61,342.20
  4. Step 4: Simplify right side
    166,577.40x = 15,322,036,313.34
  5. Step 5: Solve for x
    x = 15,322,036,313.34/166,577.40
  6. Step 6: Final answer
    x = 91,981.48

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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.