Home / 148,904.90-223,530.15-89,807.30

Finding the Fourth Proportional to 148,904.90, 223,530.15 and 89,807.30

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Solution

The fourth proportional to 148,904.90, 223,530.15 and 89,807.30 is: 134,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.90 : 223,530.15 = 89,807.30 : x
  2. Step 2: Convert to fraction form
    148,904.90/223,530.15 = 89,807.30/x
  3. Step 3: Cross multiply
    148,904.90x = 223,530.15 × 89,807.30
  4. Step 4: Simplify right side
    148,904.90x = 20,074,639,240.10
  5. Step 5: Solve for x
    x = 20,074,639,240.10/148,904.90
  6. Step 6: Final answer
    x = 134,815.17

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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.