Home / 130,667.68-180,235.38-103,767.52

Finding the Fourth Proportional to 130,667.68, 180,235.38 and 103,767.52

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Solution

The fourth proportional to 130,667.68, 180,235.38 and 103,767.52 is: 143,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,667.68 : 180,235.38 = 103,767.52 : x
  2. Step 2: Convert to fraction form
    130,667.68/180,235.38 = 103,767.52/x
  3. Step 3: Cross multiply
    130,667.68x = 180,235.38 × 103,767.52
  4. Step 4: Simplify right side
    130,667.68x = 18,702,578,398.86
  5. Step 5: Solve for x
    x = 18,702,578,398.86/130,667.68
  6. Step 6: Final answer
    x = 143,130.87

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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.