Home / 99,258.62-148,870.37-45,210.92

Finding the Fourth Proportional to 99,258.62, 148,870.37 and 45,210.92

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Solution

The fourth proportional to 99,258.62, 148,870.37 and 45,210.92 is: 67,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,258.62 : 148,870.37 = 45,210.92 : x
  2. Step 2: Convert to fraction form
    99,258.62/148,870.37 = 45,210.92/x
  3. Step 3: Cross multiply
    99,258.62x = 148,870.37 × 45,210.92
  4. Step 4: Simplify right side
    99,258.62x = 6,730,565,757.12
  5. Step 5: Solve for x
    x = 6,730,565,757.12/99,258.62
  6. Step 6: Final answer
    x = 67,808.38

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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.