Home / 145,421.42-200,614.20-84,994.61

Finding the Fourth Proportional to 145,421.42, 200,614.20 and 84,994.61

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Solution

The fourth proportional to 145,421.42, 200,614.20 and 84,994.61 is: 117,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,421.42 : 200,614.20 = 84,994.61 : x
  2. Step 2: Convert to fraction form
    145,421.42/200,614.20 = 84,994.61/x
  3. Step 3: Cross multiply
    145,421.42x = 200,614.20 × 84,994.61
  4. Step 4: Simplify right side
    145,421.42x = 17,051,125,689.46
  5. Step 5: Solve for x
    x = 17,051,125,689.46/145,421.42
  6. Step 6: Final answer
    x = 117,253.19

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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.