Home / 186,271.71-279,410.13-53,151.93

Finding the Fourth Proportional to 186,271.71, 279,410.13 and 53,151.93

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Solution

The fourth proportional to 186,271.71, 279,410.13 and 53,151.93 is: 79,728.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.71 : 279,410.13 = 53,151.93 : x
  2. Step 2: Convert to fraction form
    186,271.71/279,410.13 = 53,151.93/x
  3. Step 3: Cross multiply
    186,271.71x = 279,410.13 × 53,151.93
  4. Step 4: Simplify right side
    186,271.71x = 14,851,187,231.16
  5. Step 5: Solve for x
    x = 14,851,187,231.16/186,271.71
  6. Step 6: Final answer
    x = 79,728.62

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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.