Home / 155,129.94-232,479.63-70,683.73

Finding the Fourth Proportional to 155,129.94, 232,479.63 and 70,683.73

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Solution

The fourth proportional to 155,129.94, 232,479.63 and 70,683.73 is: 105,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,129.94 : 232,479.63 = 70,683.73 : x
  2. Step 2: Convert to fraction form
    155,129.94/232,479.63 = 70,683.73/x
  3. Step 3: Cross multiply
    155,129.94x = 232,479.63 × 70,683.73
  4. Step 4: Simplify right side
    155,129.94x = 16,432,527,688.02
  5. Step 5: Solve for x
    x = 16,432,527,688.02/155,129.94
  6. Step 6: Final answer
    x = 105,927.50

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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.