Home / 155,148.83-232,690.57-70,885.07

Finding the Fourth Proportional to 155,148.83, 232,690.57 and 70,885.07

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Solution

The fourth proportional to 155,148.83, 232,690.57 and 70,885.07 is: 106,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148.83 : 232,690.57 = 70,885.07 : x
  2. Step 2: Convert to fraction form
    155,148.83/232,690.57 = 70,885.07/x
  3. Step 3: Cross multiply
    155,148.83x = 232,690.57 × 70,885.07
  4. Step 4: Simplify right side
    155,148.83x = 16,494,287,342.79
  5. Step 5: Solve for x
    x = 16,494,287,342.79/155,148.83
  6. Step 6: Final answer
    x = 106,312.68

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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.