Home / 145,756.04-218,293.86-112,209.90

Finding the Fourth Proportional to 145,756.04, 218,293.86 and 112,209.90

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Solution

The fourth proportional to 145,756.04, 218,293.86 and 112,209.90 is: 168,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,756.04 : 218,293.86 = 112,209.90 : x
  2. Step 2: Convert to fraction form
    145,756.04/218,293.86 = 112,209.90/x
  3. Step 3: Cross multiply
    145,756.04x = 218,293.86 × 112,209.90
  4. Step 4: Simplify right side
    145,756.04x = 24,494,732,201.21
  5. Step 5: Solve for x
    x = 24,494,732,201.21/145,756.04
  6. Step 6: Final answer
    x = 168,052.95

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1.5x scale

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.