Home / 212,326.07-293,018.06-121,699.53

Finding the Fourth Proportional to 212,326.07, 293,018.06 and 121,699.53

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Solution

The fourth proportional to 212,326.07, 293,018.06 and 121,699.53 is: 167,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,326.07 : 293,018.06 = 121,699.53 : x
  2. Step 2: Convert to fraction form
    212,326.07/293,018.06 = 121,699.53/x
  3. Step 3: Cross multiply
    212,326.07x = 293,018.06 × 121,699.53
  4. Step 4: Simplify right side
    212,326.07x = 35,660,159,022.67
  5. Step 5: Solve for x
    x = 35,660,159,022.67/212,326.07
  6. Step 6: Final answer
    x = 167,949.98

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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.