Home / 135,036.48-186,347.07-74,612.91

Finding the Fourth Proportional to 135,036.48, 186,347.07 and 74,612.91

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Solution

The fourth proportional to 135,036.48, 186,347.07 and 74,612.91 is: 102,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,036.48 : 186,347.07 = 74,612.91 : x
  2. Step 2: Convert to fraction form
    135,036.48/186,347.07 = 74,612.91/x
  3. Step 3: Cross multiply
    135,036.48x = 186,347.07 × 74,612.91
  4. Step 4: Simplify right side
    135,036.48x = 13,903,897,162.67
  5. Step 5: Solve for x
    x = 13,903,897,162.67/135,036.48
  6. Step 6: Final answer
    x = 102,964.01

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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.