Home / 175,457.12-242,127.81-98,976.38

Finding the Fourth Proportional to 175,457.12, 242,127.81 and 98,976.38

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Solution

The fourth proportional to 175,457.12, 242,127.81 and 98,976.38 is: 136,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,457.12 : 242,127.81 = 98,976.38 : x
  2. Step 2: Convert to fraction form
    175,457.12/242,127.81 = 98,976.38/x
  3. Step 3: Cross multiply
    175,457.12x = 242,127.81 × 98,976.38
  4. Step 4: Simplify right side
    175,457.12x = 23,964,934,131.13
  5. Step 5: Solve for x
    x = 23,964,934,131.13/175,457.12
  6. Step 6: Final answer
    x = 136,585.70

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1.5x scale

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.