Home / 180,215.66-248,678.57-99,630.17

Finding the Fourth Proportional to 180,215.66, 248,678.57 and 99,630.17

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Solution

The fourth proportional to 180,215.66, 248,678.57 and 99,630.17 is: 137,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,215.66 : 248,678.57 = 99,630.17 : x
  2. Step 2: Convert to fraction form
    180,215.66/248,678.57 = 99,630.17/x
  3. Step 3: Cross multiply
    180,215.66x = 248,678.57 × 99,630.17
  4. Step 4: Simplify right side
    180,215.66x = 24,775,888,204.46
  5. Step 5: Solve for x
    x = 24,775,888,204.46/180,215.66
  6. Step 6: Final answer
    x = 137,479.11

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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.