Home / 130,797.65-196,214.93-42,021.39

Finding the Fourth Proportional to 130,797.65, 196,214.93 and 42,021.39

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Solution

The fourth proportional to 130,797.65, 196,214.93 and 42,021.39 is: 63,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,797.65 : 196,214.93 = 42,021.39 : x
  2. Step 2: Convert to fraction form
    130,797.65/196,214.93 = 42,021.39/x
  3. Step 3: Cross multiply
    130,797.65x = 196,214.93 × 42,021.39
  4. Step 4: Simplify right side
    130,797.65x = 8,245,223,887.25
  5. Step 5: Solve for x
    x = 8,245,223,887.25/130,797.65
  6. Step 6: Final answer
    x = 63,038.01

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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.