Home / 130,894.19-196,159.62-59,642.70

Finding the Fourth Proportional to 130,894.19, 196,159.62 and 59,642.70

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Solution

The fourth proportional to 130,894.19, 196,159.62 and 59,642.70 is: 89,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,894.19 : 196,159.62 = 59,642.70 : x
  2. Step 2: Convert to fraction form
    130,894.19/196,159.62 = 59,642.70/x
  3. Step 3: Cross multiply
    130,894.19x = 196,159.62 × 59,642.70
  4. Step 4: Simplify right side
    130,894.19x = 11,699,489,367.77
  5. Step 5: Solve for x
    x = 11,699,489,367.77/130,894.19
  6. Step 6: Final answer
    x = 89,381.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.