Home / 130,473.87-180,050.88-76,762.34

Finding the Fourth Proportional to 130,473.87, 180,050.88 and 76,762.34

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Solution

The fourth proportional to 130,473.87, 180,050.88 and 76,762.34 is: 105,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,473.87 : 180,050.88 = 76,762.34 : x
  2. Step 2: Convert to fraction form
    130,473.87/180,050.88 = 76,762.34/x
  3. Step 3: Cross multiply
    130,473.87x = 180,050.88 × 76,762.34
  4. Step 4: Simplify right side
    130,473.87x = 13,821,126,498.87
  5. Step 5: Solve for x
    x = 13,821,126,498.87/130,473.87
  6. Step 6: Final answer
    x = 105,930.23

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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.