Home / 99,129.01-136,798.35-53,807.03

Finding the Fourth Proportional to 99,129.01, 136,798.35 and 53,807.03

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Solution

The fourth proportional to 99,129.01, 136,798.35 and 53,807.03 is: 74,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,129.01 : 136,798.35 = 53,807.03 : x
  2. Step 2: Convert to fraction form
    99,129.01/136,798.35 = 53,807.03/x
  3. Step 3: Cross multiply
    99,129.01x = 136,798.35 × 53,807.03
  4. Step 4: Simplify right side
    99,129.01x = 7,360,711,969.37
  5. Step 5: Solve for x
    x = 7,360,711,969.37/99,129.01
  6. Step 6: Final answer
    x = 74,253.87

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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.