Home / 166,476.27-249,751.40-77,681.34

Finding the Fourth Proportional to 166,476.27, 249,751.40 and 77,681.34

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Solution

The fourth proportional to 166,476.27, 249,751.40 and 77,681.34 is: 116,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,476.27 : 249,751.40 = 77,681.34 : x
  2. Step 2: Convert to fraction form
    166,476.27/249,751.40 = 77,681.34/x
  3. Step 3: Cross multiply
    166,476.27x = 249,751.40 × 77,681.34
  4. Step 4: Simplify right side
    166,476.27x = 19,401,023,030.47
  5. Step 5: Solve for x
    x = 19,401,023,030.47/166,476.27
  6. Step 6: Final answer
    x = 116,539.27

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1.5x scale

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.