Home / 175,643.04-242,322.55-115,247.21

Finding the Fourth Proportional to 175,643.04, 242,322.55 and 115,247.21

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Solution

The fourth proportional to 175,643.04, 242,322.55 and 115,247.21 is: 158,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,643.04 : 242,322.55 = 115,247.21 : x
  2. Step 2: Convert to fraction form
    175,643.04/242,322.55 = 115,247.21/x
  3. Step 3: Cross multiply
    175,643.04x = 242,322.55 × 115,247.21
  4. Step 4: Simplify right side
    175,643.04x = 27,926,997,807.59
  5. Step 5: Solve for x
    x = 27,926,997,807.59/175,643.04
  6. Step 6: Final answer
    x = 158,998.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.