Home / 155,143.39-232,728.44-42,823.63

Finding the Fourth Proportional to 155,143.39, 232,728.44 and 42,823.63

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Solution

The fourth proportional to 155,143.39, 232,728.44 and 42,823.63 is: 64,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,143.39 : 232,728.44 = 42,823.63 : x
  2. Step 2: Convert to fraction form
    155,143.39/232,728.44 = 42,823.63/x
  3. Step 3: Cross multiply
    155,143.39x = 232,728.44 × 42,823.63
  4. Step 4: Simplify right side
    155,143.39x = 9,966,276,130.28
  5. Step 5: Solve for x
    x = 9,966,276,130.28/155,143.39
  6. Step 6: Final answer
    x = 64,239.13

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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.