Home / 134,904.83-186,166.08-74,477.34

Finding the Fourth Proportional to 134,904.83, 186,166.08 and 74,477.34

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Solution

The fourth proportional to 134,904.83, 186,166.08 and 74,477.34 is: 102,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.83 : 186,166.08 = 74,477.34 : x
  2. Step 2: Convert to fraction form
    134,904.83/186,166.08 = 74,477.34/x
  3. Step 3: Cross multiply
    134,904.83x = 186,166.08 × 74,477.34
  4. Step 4: Simplify right side
    134,904.83x = 13,865,154,436.63
  5. Step 5: Solve for x
    x = 13,865,154,436.63/134,904.83
  6. Step 6: Final answer
    x = 102,777.31

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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.