Home / 130,565.16-180,170.08-73,975.32

Finding the Fourth Proportional to 130,565.16, 180,170.08 and 73,975.32

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Solution

The fourth proportional to 130,565.16, 180,170.08 and 73,975.32 is: 102,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,565.16 : 180,170.08 = 73,975.32 : x
  2. Step 2: Convert to fraction form
    130,565.16/180,170.08 = 73,975.32/x
  3. Step 3: Cross multiply
    130,565.16x = 180,170.08 × 73,975.32
  4. Step 4: Simplify right side
    130,565.16x = 13,328,139,322.43
  5. Step 5: Solve for x
    x = 13,328,139,322.43/130,565.16
  6. Step 6: Final answer
    x = 102,080.37

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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.