Home / 147,834.40-221,751.60-72,966.10

Finding the Fourth Proportional to 147,834.40, 221,751.60 and 72,966.10

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Solution

The fourth proportional to 147,834.40, 221,751.60 and 72,966.10 is: 109,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.40 : 221,751.60 = 72,966.10 : x
  2. Step 2: Convert to fraction form
    147,834.40/221,751.60 = 72,966.10/x
  3. Step 3: Cross multiply
    147,834.40x = 221,751.60 × 72,966.10
  4. Step 4: Simplify right side
    147,834.40x = 16,180,349,420.76
  5. Step 5: Solve for x
    x = 16,180,349,420.76/147,834.40
  6. Step 6: Final answer
    x = 109,449.15

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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.