Home / 145,426.70-218,140.11-45,594.67

Finding the Fourth Proportional to 145,426.70, 218,140.11 and 45,594.67

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Solution

The fourth proportional to 145,426.70, 218,140.11 and 45,594.67 is: 68,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,426.70 : 218,140.11 = 45,594.67 : x
  2. Step 2: Convert to fraction form
    145,426.70/218,140.11 = 45,594.67/x
  3. Step 3: Cross multiply
    145,426.70x = 218,140.11 × 45,594.67
  4. Step 4: Simplify right side
    145,426.70x = 9,946,026,646.10
  5. Step 5: Solve for x
    x = 9,946,026,646.10/145,426.70
  6. Step 6: Final answer
    x = 68,392.03

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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.