Home / 155,135.76-232,488.32-70,689.54

Finding the Fourth Proportional to 155,135.76, 232,488.32 and 70,689.54

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Solution

The fourth proportional to 155,135.76, 232,488.32 and 70,689.54 is: 105,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,135.76 : 232,488.32 = 70,689.54 : x
  2. Step 2: Convert to fraction form
    155,135.76/232,488.32 = 70,689.54/x
  3. Step 3: Cross multiply
    155,135.76x = 232,488.32 × 70,689.54
  4. Step 4: Simplify right side
    155,135.76x = 16,434,492,396.17
  5. Step 5: Solve for x
    x = 16,434,492,396.17/155,135.76
  6. Step 6: Final answer
    x = 105,936.20

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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.