Home / 166,521.75-249,864.63-77,762.35

Finding the Fourth Proportional to 166,521.75, 249,864.63 and 77,762.35

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Solution

The fourth proportional to 166,521.75, 249,864.63 and 77,762.35 is: 116,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,521.75 : 249,864.63 = 77,762.35 : x
  2. Step 2: Convert to fraction form
    166,521.75/249,864.63 = 77,762.35/x
  3. Step 3: Cross multiply
    166,521.75x = 249,864.63 × 77,762.35
  4. Step 4: Simplify right side
    166,521.75x = 19,430,061,268.82
  5. Step 5: Solve for x
    x = 19,430,061,268.82/166,521.75
  6. Step 6: Final answer
    x = 116,681.83

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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.