Home / 134,438.86-185,448.75-84,050.38

Finding the Fourth Proportional to 134,438.86, 185,448.75 and 84,050.38

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Solution

The fourth proportional to 134,438.86, 185,448.75 and 84,050.38 is: 115,941.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.86 : 185,448.75 = 84,050.38 : x
  2. Step 2: Convert to fraction form
    134,438.86/185,448.75 = 84,050.38/x
  3. Step 3: Cross multiply
    134,438.86x = 185,448.75 × 84,050.38
  4. Step 4: Simplify right side
    134,438.86x = 15,587,037,908.03
  5. Step 5: Solve for x
    x = 15,587,037,908.03/134,438.86
  6. Step 6: Final answer
    x = 115,941.46

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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.