Home / 155,148.54-232,718.16-42,835.62

Finding the Fourth Proportional to 155,148.54, 232,718.16 and 42,835.62

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Solution

The fourth proportional to 155,148.54, 232,718.16 and 42,835.62 is: 64,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,148.54 : 232,718.16 = 42,835.62 : x
  2. Step 2: Convert to fraction form
    155,148.54/232,718.16 = 42,835.62/x
  3. Step 3: Cross multiply
    155,148.54x = 232,718.16 × 42,835.62
  4. Step 4: Simplify right side
    155,148.54x = 9,968,626,668.86
  5. Step 5: Solve for x
    x = 9,968,626,668.86/155,148.54
  6. Step 6: Final answer
    x = 64,252.15

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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.