Home / 75,251.04-113,017.18-66,248.40

Finding the Fourth Proportional to 75,251.04, 113,017.18 and 66,248.40

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Solution

The fourth proportional to 75,251.04, 113,017.18 and 66,248.40 is: 99,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,251.04 : 113,017.18 = 66,248.40 : x
  2. Step 2: Convert to fraction form
    75,251.04/113,017.18 = 66,248.40/x
  3. Step 3: Cross multiply
    75,251.04x = 113,017.18 × 66,248.40
  4. Step 4: Simplify right side
    75,251.04x = 7,487,207,347.51
  5. Step 5: Solve for x
    x = 7,487,207,347.51/75,251.04
  6. Step 6: Final answer
    x = 99,496.40

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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.