Home / 261,643.20-392,464.80-93,353.55

Finding the Fourth Proportional to 261,643.20, 392,464.80 and 93,353.55

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Solution

The fourth proportional to 261,643.20, 392,464.80 and 93,353.55 is: 140,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,643.20 : 392,464.80 = 93,353.55 : x
  2. Step 2: Convert to fraction form
    261,643.20/392,464.80 = 93,353.55/x
  3. Step 3: Cross multiply
    261,643.20x = 392,464.80 × 93,353.55
  4. Step 4: Simplify right side
    261,643.20x = 36,637,982,330.04
  5. Step 5: Solve for x
    x = 36,637,982,330.04/261,643.20
  6. Step 6: Final answer
    x = 140,030.33

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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.