Home / 155,129.57-232,479.07-70,683.36

Finding the Fourth Proportional to 155,129.57, 232,479.07 and 70,683.36

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Solution

The fourth proportional to 155,129.57, 232,479.07 and 70,683.36 is: 105,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,129.57 : 232,479.07 = 70,683.36 : x
  2. Step 2: Convert to fraction form
    155,129.57/232,479.07 = 70,683.36/x
  3. Step 3: Cross multiply
    155,129.57x = 232,479.07 × 70,683.36
  4. Step 4: Simplify right side
    155,129.57x = 16,432,400,748.77
  5. Step 5: Solve for x
    x = 16,432,400,748.77/155,129.57
  6. Step 6: Final answer
    x = 105,926.94

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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.