Home / 155,421.71-233,132.55-102,818.89

Finding the Fourth Proportional to 155,421.71, 233,132.55 and 102,818.89

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Solution

The fourth proportional to 155,421.71, 233,132.55 and 102,818.89 is: 154,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.71 : 233,132.55 = 102,818.89 : x
  2. Step 2: Convert to fraction form
    155,421.71/233,132.55 = 102,818.89/x
  3. Step 3: Cross multiply
    155,421.71x = 233,132.55 × 102,818.89
  4. Step 4: Simplify right side
    155,421.71x = 23,970,428,848.21
  5. Step 5: Solve for x
    x = 23,970,428,848.21/155,421.71
  6. Step 6: Final answer
    x = 154,228.32

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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.