Home / 130,437.77-180,007.01-73,081.32

Finding the Fourth Proportional to 130,437.77, 180,007.01 and 73,081.32

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Solution

The fourth proportional to 130,437.77, 180,007.01 and 73,081.32 is: 100,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,437.77 : 180,007.01 = 73,081.32 : x
  2. Step 2: Convert to fraction form
    130,437.77/180,007.01 = 73,081.32/x
  3. Step 3: Cross multiply
    130,437.77x = 180,007.01 × 73,081.32
  4. Step 4: Simplify right side
    130,437.77x = 13,155,149,534.65
  5. Step 5: Solve for x
    x = 13,155,149,534.65/130,437.77
  6. Step 6: Final answer
    x = 100,853.84

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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.