Home / 155,830.05-233,658.68-67,068.45

Finding the Fourth Proportional to 155,830.05, 233,658.68 and 67,068.45

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Solution

The fourth proportional to 155,830.05, 233,658.68 and 67,068.45 is: 100,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,830.05 : 233,658.68 = 67,068.45 : x
  2. Step 2: Convert to fraction form
    155,830.05/233,658.68 = 67,068.45/x
  3. Step 3: Cross multiply
    155,830.05x = 233,658.68 × 67,068.45
  4. Step 4: Simplify right side
    155,830.05x = 15,671,125,161.30
  5. Step 5: Solve for x
    x = 15,671,125,161.30/155,830.05
  6. Step 6: Final answer
    x = 100,565.49

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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.