Home / 249,156.51-373,794.30-80,677.02

Finding the Fourth Proportional to 249,156.51, 373,794.30 and 80,677.02

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Solution

The fourth proportional to 249,156.51, 373,794.30 and 80,677.02 is: 121,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,156.51 : 373,794.30 = 80,677.02 : x
  2. Step 2: Convert to fraction form
    249,156.51/373,794.30 = 80,677.02/x
  3. Step 3: Cross multiply
    249,156.51x = 373,794.30 × 80,677.02
  4. Step 4: Simplify right side
    249,156.51x = 30,156,610,216.99
  5. Step 5: Solve for x
    x = 30,156,610,216.99/249,156.51
  6. Step 6: Final answer
    x = 121,034.81

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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.