Home / 199,868.20-299,763.90-59,631.40

Finding the Fourth Proportional to 199,868.20, 299,763.90 and 59,631.40

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Solution

The fourth proportional to 199,868.20, 299,763.90 and 59,631.40 is: 89,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,868.20 : 299,763.90 = 59,631.40 : x
  2. Step 2: Convert to fraction form
    199,868.20/299,763.90 = 59,631.40/x
  3. Step 3: Cross multiply
    199,868.20x = 299,763.90 × 59,631.40
  4. Step 4: Simplify right side
    199,868.20x = 17,875,341,026.46
  5. Step 5: Solve for x
    x = 17,875,341,026.46/199,868.20
  6. Step 6: Final answer
    x = 89,435.64

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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.