Home / 212,810.95-293,681.08-117,321.06

Finding the Fourth Proportional to 212,810.95, 293,681.08 and 117,321.06

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Solution

The fourth proportional to 212,810.95, 293,681.08 and 117,321.06 is: 161,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,810.95 : 293,681.08 = 117,321.06 : x
  2. Step 2: Convert to fraction form
    212,810.95/293,681.08 = 117,321.06/x
  3. Step 3: Cross multiply
    212,810.95x = 293,681.08 × 117,321.06
  4. Step 4: Simplify right side
    212,810.95x = 34,454,975,607.54
  5. Step 5: Solve for x
    x = 34,454,975,607.54/212,810.95
  6. Step 6: Final answer
    x = 161,904.15

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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.