Home / 134,803.15-186,029-74,373.79

Finding the Fourth Proportional to 134,803.15, 186,029 and 74,373.79

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Solution

The fourth proportional to 134,803.15, 186,029 and 74,373.79 is: 102,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.15 : 186,029 = 74,373.79 : x
  2. Step 2: Convert to fraction form
    134,803.15/186,029 = 74,373.79/x
  3. Step 3: Cross multiply
    134,803.15x = 186,029 × 74,373.79
  4. Step 4: Simplify right side
    134,803.15x = 13,835,681,779.91
  5. Step 5: Solve for x
    x = 13,835,681,779.91/134,803.15
  6. Step 6: Final answer
    x = 102,636.19

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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.