Home / 130,210.80-179,690.04-73,622.40

Finding the Fourth Proportional to 130,210.80, 179,690.04 and 73,622.40

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Solution

The fourth proportional to 130,210.80, 179,690.04 and 73,622.40 is: 101,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,210.80 : 179,690.04 = 73,622.40 : x
  2. Step 2: Convert to fraction form
    130,210.80/179,690.04 = 73,622.40/x
  3. Step 3: Cross multiply
    130,210.80x = 179,690.04 × 73,622.40
  4. Step 4: Simplify right side
    130,210.80x = 13,229,212,000.90
  5. Step 5: Solve for x
    x = 13,229,212,000.90/130,210.80
  6. Step 6: Final answer
    x = 101,598.42

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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.