Home / 75,417.63-113,174.09-42,159.51

Finding the Fourth Proportional to 75,417.63, 113,174.09 and 42,159.51

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Solution

The fourth proportional to 75,417.63, 113,174.09 and 42,159.51 is: 63,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,417.63 : 113,174.09 = 42,159.51 : x
  2. Step 2: Convert to fraction form
    75,417.63/113,174.09 = 42,159.51/x
  3. Step 3: Cross multiply
    75,417.63x = 113,174.09 × 42,159.51
  4. Step 4: Simplify right side
    75,417.63x = 4,771,364,179.10
  5. Step 5: Solve for x
    x = 4,771,364,179.10/75,417.63
  6. Step 6: Final answer
    x = 63,265.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.