Home / 134,738.10-185,938.47-74,312.64

Finding the Fourth Proportional to 134,738.10, 185,938.47 and 74,312.64

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Solution

The fourth proportional to 134,738.10, 185,938.47 and 74,312.64 is: 102,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,738.10 : 185,938.47 = 74,312.64 : x
  2. Step 2: Convert to fraction form
    134,738.10/185,938.47 = 74,312.64/x
  3. Step 3: Cross multiply
    134,738.10x = 185,938.47 × 74,312.64
  4. Step 4: Simplify right side
    134,738.10x = 13,817,578,583.26
  5. Step 5: Solve for x
    x = 13,817,578,583.26/134,738.10
  6. Step 6: Final answer
    x = 102,551.38

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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.