Home / 155,253.40-232,880.10-102,109.30

Finding the Fourth Proportional to 155,253.40, 232,880.10 and 102,109.30

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Solution

The fourth proportional to 155,253.40, 232,880.10 and 102,109.30 is: 153,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,253.40 : 232,880.10 = 102,109.30 : x
  2. Step 2: Convert to fraction form
    155,253.40/232,880.10 = 102,109.30/x
  3. Step 3: Cross multiply
    155,253.40x = 232,880.10 × 102,109.30
  4. Step 4: Simplify right side
    155,253.40x = 23,779,223,994.93
  5. Step 5: Solve for x
    x = 23,779,223,994.93/155,253.40
  6. Step 6: Final answer
    x = 153,163.95

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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.