Home / 155,145.39-232,731.44-42,825.63

Finding the Fourth Proportional to 155,145.39, 232,731.44 and 42,825.63

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Solution

The fourth proportional to 155,145.39, 232,731.44 and 42,825.63 is: 64,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145.39 : 232,731.44 = 42,825.63 : x
  2. Step 2: Convert to fraction form
    155,145.39/232,731.44 = 42,825.63/x
  3. Step 3: Cross multiply
    155,145.39x = 232,731.44 × 42,825.63
  4. Step 4: Simplify right side
    155,145.39x = 9,966,870,538.81
  5. Step 5: Solve for x
    x = 9,966,870,538.81/155,145.39
  6. Step 6: Final answer
    x = 64,242.13

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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.