Home / 130,890.20-180,617.85-73,526.40

Finding the Fourth Proportional to 130,890.20, 180,617.85 and 73,526.40

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Solution

The fourth proportional to 130,890.20, 180,617.85 and 73,526.40 is: 101,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,890.20 : 180,617.85 = 73,526.40 : x
  2. Step 2: Convert to fraction form
    130,890.20/180,617.85 = 73,526.40/x
  3. Step 3: Cross multiply
    130,890.20x = 180,617.85 × 73,526.40
  4. Step 4: Simplify right side
    130,890.20x = 13,280,180,286.24
  5. Step 5: Solve for x
    x = 13,280,180,286.24/130,890.20
  6. Step 6: Final answer
    x = 101,460.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.